Documentation 2026-06-04 01:09 UTC to 2026-06-05 18:45 UTC

12 12 

13## Profile13## Profile

14 14 

15Use **Profile** to review stats such as lifetime tokens, peak tokens, streaks,15Use **Profile** to review activity insights, lifetime tokens, peak tokens,

16your longest task, and token activity. You can also update your profile details,16streaks, your longest task, and token activity. You can also update your profile

17such as your picture, display name, and username.17details, such as your picture, display name, and username, and save a profile

18card with usage highlights. Sharing profile cards is available on consumer

19ChatGPT plans.

18 20 

19## Keyboard shortcuts21## Keyboard shortcuts

20 22 

1# Glossary – Codex

2 

3Use this glossary as a quick reference for Codex terms across the app, CLI, IDE extension, cloud, SDK, and related integrations.

4 

5| Term | Definition | Applies to |

6| --- | --- | --- |

7| [Agent](/codex) | The Codex worker that reasons over context, uses tools, and completes a task. | App, CLI, IDE extension, Cloud |

8| [AGENTS.md](https://developers.openai.com/codex/guides/agents-md) | Repository or user guidance file that gives Codex persistent instructions. | App, CLI, IDE extension, Cloud |

9| [Analytics dashboard](https://developers.openai.com/codex/enterprise/governance#analytics-dashboard) | Admin view for Codex usage, adoption, and code review metrics. | Enterprise |

10| [API key sign-in](https://developers.openai.com/codex/auth#sign-in-with-an-api-key) | Authentication using an OpenAI API key. | App, CLI, IDE extension |

11| [Approval policy](https://developers.openai.com/codex/agent-approvals-security#sandbox-and-approvals) | Rules for when Codex must ask before taking an action. | App, CLI, IDE extension |

12| [Approval request](https://developers.openai.com/codex/agent-approvals-security#automatic-approval-reviews) | Codex asking to allow a restricted action. | App, CLI, IDE extension |

13| [Apps (connectors)](https://developers.openai.com/codex/plugins) | Integration that lets Codex access external services. Available through plugins; also called connectors. | App, CLI, IDE extension |

14| [Appshot](https://developers.openai.com/codex/appshots) | Snapshot of the frontmost app window sent to a Codex thread. | App |

15| [Auth cache](https://developers.openai.com/codex/auth#login-caching) | Locally stored login credentials reused by Codex. | App, CLI, IDE extension |

16| [Automatic approval review](https://developers.openai.com/codex/agent-approvals-security#automatic-approval-reviews) | Model-based review of eligible approval requests before they proceed. | App, CLI, IDE extension |

17| [Automation](https://developers.openai.com/codex/app/automations) | A scheduled or recurring Codex task. | App |

18| [Automation run](https://developers.openai.com/codex/app/automations#managing-tasks) | One execution of a scheduled automation that may report findings or archive itself. | App |

19| [Browser use](https://developers.openai.com/codex/app/browser#browser-use) | App capability that lets Codex operate the in-app browser directly. | App |

20| [Chat](https://developers.openai.com/codex/app/features#chats) | A Codex conversation not tied to a project. | App |

21| [ChatGPT sign-in](https://developers.openai.com/codex/auth#sign-in-with-chatgpt) | Authentication using a ChatGPT account and workspace permissions. | App, CLI, IDE extension, Cloud |

22| [Chronicle](https://developers.openai.com/codex/memories/chronicle) | Opt-in feature that builds memories from recent screen context. | App |

23| [Cloud](https://developers.openai.com/codex/cloud) | Mode where Codex works remotely in an OpenAI-managed environment. | App, IDE extension, Web |

24| [Cloud environment](https://developers.openai.com/codex/cloud/environments) | Configured container setup used for Codex cloud tasks. | Cloud |

25| [Cloud task](https://developers.openai.com/codex/cloud/environments#how-codex-cloud-tasks-run) | A remotely executed Codex task that runs in a cloud environment. | Cloud |

26| [Cloud thread](https://developers.openai.com/codex/prompting#threads) | A thread that runs in a Codex cloud environment. | Cloud |

27| [Codex](/codex) | OpenAI's coding agent for software development tasks. | App, CLI, IDE extension, Web, Cloud, SDK |

28| [Codex app](https://developers.openai.com/codex/app) | Desktop app for running Codex threads in parallel, with built-in worktree support, automations, and Git functionality. | Desktop |

29| [Codex app-server](https://developers.openai.com/codex/app-server) | Local JSON-RPC server for embedding Codex threads, turns, approvals, history, and streamed events in custom clients. | App, IDE extension, SDK |

30| [Codex CLI](https://developers.openai.com/codex/cli) | Terminal client for running Codex interactively or in scripts. | Terminal |

31| [Codex cloud](https://developers.openai.com/codex/cloud) | OpenAI-managed execution environment where Codex can work on repository tasks remotely. | Web, App, IDE extension |

32| [codex exec](https://developers.openai.com/codex/noninteractive) | CLI command for running Codex non-interactively from scripts or CI. | CLI |

33| [Codex IDE extension](https://developers.openai.com/codex/ide) | Editor integration for using Codex inside IDEs like VS Code, JetBrains IDEs, Cursor, and Windsurf. | IDE |

34| [Codex SDK](https://developers.openai.com/codex/sdk) | Programmatic interface for building Codex-powered workflows or integrations. | SDK |

35| [Codex web](https://developers.openai.com/codex/cloud) | Browser-based Codex surface for delegating cloud tasks. | Browser |

36| [Codex-managed worktree](https://developers.openai.com/codex/app/worktrees#codex-managed-and-permanent-worktrees) | A temporary worktree Codex creates and manages for a thread. | App |

37| [Compaction](https://developers.openai.com/codex/prompting#context) | Summarizing older context so long-running work can continue. | App, CLI, IDE extension, Cloud |

38| [Compliance API](https://developers.openai.com/codex/enterprise/governance#compliance-api) | API for exporting Codex activity and audit metadata. | Enterprise |

39| [Computer use](https://developers.openai.com/codex/app/computer-use) | App capability that lets Codex interact with desktop applications through the UI. | App |

40| [config.toml](https://developers.openai.com/codex/config-reference#configtoml) | Local Codex configuration files. | App, CLI, IDE extension |

41| [Connected host](https://developers.openai.com/codex/remote-connections#what-comes-from-the-connected-host) | Computer or development environment that provides files, tools, and shell access for remote Codex work. | App, Mobile |

42| [Connector](https://developers.openai.com/codex/plugins) | App integration that lets Codex access external services. Available through plugins; also called apps. | App, Cloud |

43| [Container cache](https://developers.openai.com/codex/cloud/environments#container-caching) | Saved cloud container state reused to speed up future tasks. | Cloud |

44| [Context](https://developers.openai.com/codex/prompting#context) | Information Codex can use while working, such as files, prior messages, tool output, and instructions. | App, CLI, IDE extension, Cloud, SDK |

45| [Context window](https://developers.openai.com/api/docs/guides/conversation-state#managing-the-context-window) | The maximum amount of information the model can consider at once. | App, CLI, IDE extension, Cloud, SDK |

46| [Custom agent](https://developers.openai.com/codex/subagents#custom-agents) | User-defined agent role with its own instructions and settings. | App, CLI |

47| [Deny-read rule](https://developers.openai.com/codex/permissions#deny-reads-with-exact-paths-or-globs) | Filesystem permission rule that prevents Codex from reading sensitive paths or glob matches. | App, CLI, IDE extension, Enterprise |

48| [Diff](https://developers.openai.com/codex/app/review#what-changes-it-shows) | Set of Git file changes shown for inspection, comments, staging, or reverting. | App, Git, Review |

49| [Domain allowlist](https://developers.openai.com/codex/cloud/internet-access#domain-allowlist) | Set of domains Codex cloud can reach when agent internet access is enabled. | Cloud |

50| [Environment (local)](https://developers.openai.com/codex/app/local-environments) | App configuration to tell Codex how to set up worktrees for a project. | App, Worktree |

51| [Environment variable](https://developers.openai.com/codex/cloud/environments#environment-variables-and-secrets) | Runtime configuration value available during task execution. | Cloud, CLI, IDE extension |

52| [Ephemeral session](https://developers.openai.com/codex/noninteractive#basic-usage) | Non-interactive run that skips saving session state after it completes. | CLI |

53| [Fast mode](https://developers.openai.com/codex/speed#fast-mode) | Speed setting that makes supported models respond faster at a higher credit cost. | CLI, IDE extension |

54| [Filesystem permission](https://developers.openai.com/codex/permissions#filesystem-permissions) | Permission profile rule that grants or denies read and write access to paths. | App, CLI, IDE extension |

55| [Finding](https://developers.openai.com/codex/app/automations#managing-tasks) | A notable result or issue surfaced by an automation. | App |

56| [Full access](https://developers.openai.com/codex/concepts/sandboxing#configure-defaults) | Mode where Codex runs without normal sandbox restrictions. | App, CLI, IDE extension |

57| [Git worktree](https://developers.openai.com/codex/app/worktrees#whats-a-worktree) | A second checkout of the same repository for parallel branch work. | App, Git |

58| [Handoff](https://developers.openai.com/codex/app/worktrees#working-between-local-and-worktree) | Moving a thread and its work between Local and Worktree. | App |

59| [Heartbeat](https://developers.openai.com/codex/app/automations#thread-automations) | A recurring thread wake-up that returns Codex to the same conversation on a schedule. Also called a thread automation. | App |

60| [Hook](https://developers.openai.com/codex/hooks) | A lifecycle handler that runs when a Codex event matches, such as tool use, permission requests, or when a turn stops. | App, CLI, IDE extension |

61| [Hook event](https://developers.openai.com/codex/hooks#config-shape) | Lifecycle point where configured hook handlers can run. | App, CLI, IDE extension |

62| [Hunk](https://developers.openai.com/codex/app/review#staging-and-reverting-files) | Contiguous section of a diff that can be staged, unstaged, or reverted independently. | App, Git, Review |

63| [Inline comment](https://developers.openai.com/codex/app/review#inline-comments-for-feedback) | Line-specific feedback attached to a diff. | App |

64| [Live web search](https://developers.openai.com/codex/config-basic#web-search-mode) | Real-time web lookup for current information. | App, CLI, IDE extension |

65| [Local](https://developers.openai.com/codex/app/worktrees#working-between-local-and-worktree) | Mode where Codex works on the user's computer. | App, CLI, IDE extension |

66| [Local thread](https://developers.openai.com/codex/prompting#threads) | A thread that runs on the user's machine. | App, CLI, IDE extension |

67| [Maintenance script](https://developers.openai.com/codex/cloud/environments#container-caching) | Optional script run when a cached cloud container resumes. | Cloud |

68| [Managed configuration](https://developers.openai.com/codex/enterprise/managed-configuration) | Organization-controlled Codex defaults and restrictions. | Enterprise |

69| [MCP](https://developers.openai.com/codex/mcp) | Model Context Protocol, a standard for connecting Codex to external tools and context. | App, CLI, IDE extension |

70| [MCP resource](https://developers.openai.com/codex/mcp#supported-mcp-features) | Readable context exposed by an MCP server for Codex to inspect. | App, CLI, IDE extension |

71| [MCP server](https://developers.openai.com/codex/mcp#supported-mcp-features) | External tool or context provider exposed through MCP. | App, CLI, IDE extension |

72| [MCP tool](https://developers.openai.com/codex/mcp#supported-mcp-features) | Action exposed by an MCP server that Codex can call during a task. | App, CLI, IDE extension |

73| [MDM](https://developers.openai.com/codex/enterprise/managed-configuration#macos-managed-preferences-mdm) | Mobile device management tooling for distributing device profiles and managed Codex settings. | Enterprise |

74| [Memories](https://developers.openai.com/codex/memories) | Locally stored context Codex can reuse across sessions. | App, CLI, IDE extension |

75| [Model](https://developers.openai.com/codex/models) | The AI model Codex uses for reasoning and tool work. | App, CLI, IDE extension, Cloud, SDK |

76| [Network access](https://developers.openai.com/codex/agent-approvals-security#network-access-) | Permission for commands or environments to reach the internet. | App, CLI, IDE extension, Cloud |

77| [Network policy](https://developers.openai.com/codex/agent-approvals-security#network-policy) | Domain-based allow and deny rules that constrain sandboxed outbound network traffic. | App, CLI, IDE extension |

78| [Non-interactive mode](https://developers.openai.com/codex/noninteractive) | CLI mode for running Codex from scripts or CI. | CLI |

79| [Output schema](https://developers.openai.com/codex/noninteractive#create-structured-outputs-with-a-schema) | JSON Schema passed to `codex exec` to constrain the final response. | CLI |

80| [Permanent worktree](https://developers.openai.com/codex/app/worktrees#codex-managed-and-permanent-worktrees) | A long-lived worktree kept as its own project. | App |

81| [Permission profile](https://developers.openai.com/codex/permissions#define-and-select-a-profile) | Named least-privilege policy that combines filesystem and network rules for local command execution. | App, CLI, IDE extension |

82| [Plan](https://developers.openai.com/codex/learn/best-practices#plan-first-for-difficult-tasks) | Codex's proposed or tracked steps for completing a task. | App, CLI, IDE extension, Cloud |

83| [Plugin](https://developers.openai.com/codex/plugins) | Installable bundle that can distribute skills, tools, and integrations. | App, CLI, IDE extension |

84| [Plugin manifest](https://developers.openai.com/codex/plugins/build#plugin-structure) | Plugin metadata file that identifies a plugin and points to bundled skills, apps, MCP servers, hooks, and metadata. | App, CLI, IDE extension, Plugins |

85| [Prefix rule](https://developers.openai.com/codex/rules#understand-the-rules-language) | Command-rule pattern that allows, prompts for, or forbids matching command prefixes. | App, CLI, IDE extension, Enterprise |

86| [Profile](https://developers.openai.com/codex/config-advanced#profiles) | Named configuration preset for Codex. | CLI, IDE extension |

87| [Progressive disclosure](https://developers.openai.com/codex/skills) | Loading skill details only when needed to preserve context. | App, CLI, IDE extension |

88| [Project](https://developers.openai.com/codex/app/features#multitask-across-projects) | A selected codebase or folder Codex works in. | App |

89| [Prompt](https://developers.openai.com/codex/prompting) | The user instruction or request sent to Codex. | App, CLI, IDE extension, Cloud, SDK |

90| [Pull request review](https://developers.openai.com/codex/app/review#pull-request-reviews) | Codex review of changes or feedback on a pull request. | App, CLI, GitHub |

91| [RBAC](https://developers.openai.com/codex/enterprise/admin-setup#step-2-set-up-custom-roles-rbac) | Role-based access control for workspace permissions. | Enterprise |

92| [Read-only mode](https://developers.openai.com/codex/concepts/sandboxing) | Mode where Codex can inspect but not modify without approval. | App, CLI, IDE extension |

93| [Reasoning effort](https://developers.openai.com/codex/config-basic#reasoning-effort) | Setting that controls how much reasoning budget a model uses. | App, CLI, IDE extension, SDK |

94| [Remote connection](https://developers.openai.com/codex/remote-connections) | Connection that lets Codex work from another device using a connected host. | App, Mobile |

95| [requirements.toml](https://developers.openai.com/codex/config-reference#requirementstoml) | Admin-enforced requirements file for managed Codex setups. | Enterprise |

96| [Review pane](https://developers.openai.com/codex/app/review) | App view for inspecting diffs, comments, and Git changes. | App |

97| [Rules](https://developers.openai.com/codex/rules) | Policies that allow, prompt for, or deny command prefixes or permission exceptions. | App, CLI, IDE extension |

98| [Sandbox](https://developers.openai.com/codex/concepts/sandboxing) | Enforced boundary limiting what Codex commands can access or modify. | App, CLI, IDE extension |

99| [Sandbox mode](https://developers.openai.com/codex/config-basic#sandbox-level) | Configuration that defines Codex's filesystem and network limits. | App, CLI, IDE extension |

100| [Sandbox preset](https://developers.openai.com/codex/sdk#sandbox-presets) | SDK shorthand for common sandbox policies such as read-only, workspace-write, or full access. | SDK |

101| [Schedule](https://developers.openai.com/codex/app/automations) | The timing rule for an automation. | App |

102| [Secret](https://developers.openai.com/codex/cloud/environments#environment-variables-and-secrets) | Encrypted value available to setup scripts but removed before the agent phase. | Cloud |

103| [Setup script](https://developers.openai.com/codex/app/local-environments#setup-scripts) | Script run before the agent starts to install dependencies or prepare tools. | App worktrees |

104| [Skill](https://developers.openai.com/codex/skills) | Reusable workflow package with instructions and optional scripts or references. | App, CLI, IDE extension |

105| [Skill invocation](https://developers.openai.com/codex/skills#how-codex-uses-skills) | Explicit or implicit activation of a skill. | App, CLI, IDE extension |

106| [Slash command](https://developers.openai.com/codex/cli/slash-commands) | Command entered with a leading slash to control or inspect a Codex CLI session. | CLI |

107| [Standalone automation](https://developers.openai.com/codex/app/automations) | Independent scheduled run that reports separate findings. | App |

108| [STDIO MCP server](https://developers.openai.com/codex/mcp#stdio-servers) | MCP server launched as a local process by a configured command and arguments. | CLI, IDE extension |

109| [Streamable HTTP MCP server](https://developers.openai.com/codex/mcp#streamable-http-servers) | MCP server reached over HTTP, optionally with bearer token or OAuth authentication. | CLI, IDE extension |

110| [Subagent](https://developers.openai.com/codex/concepts/subagents) | Specialized child agent spawned to work on part of a task. | App, CLI |

111| [Subagent workflow](https://developers.openai.com/codex/concepts/subagents#core-terms) | Workflow where Codex runs delegated agents in parallel and combines their results. | App, CLI |

112| [Task](https://developers.openai.com/codex/app/automations#managing-tasks) | The unit of work Codex is asked to complete. | App, CLI, IDE extension, Cloud, SDK |

113| [Thread](https://developers.openai.com/codex/prompting#threads) | A single Codex session containing prompts, model output, and tool activity. | App, CLI, IDE extension, Cloud, SDK |

114| [Thread automation](https://developers.openai.com/codex/app/automations#thread-automations) | Recurring wake-up attached to an existing thread. Also called a heartbeat. | App |

115| [Thread fork](https://developers.openai.com/codex/app-server#start-or-resume-a-thread) | New thread branched from the stored history of an existing thread. | App-server, SDK |

116| [Turn](https://developers.openai.com/codex/app-server#core-primitives) | One exchange in a thread, usually a user prompt plus Codex's response and actions. | App, CLI, IDE extension, Cloud, SDK |

117| [Universal image](https://developers.openai.com/codex/cloud/environments#default-universal-image) | Default Codex cloud container image with common tools preinstalled. | Cloud |

118| [Web search cache](https://developers.openai.com/codex/config-basic#web-search-mode) | Pre-indexed search results Codex can use without live browsing. | App, CLI, IDE extension |

119| [Worktree](https://developers.openai.com/codex/app/worktrees) | Mode where Codex isolates changes in a separate Git worktree. | App |

120| [Writable roots](https://developers.openai.com/codex/agent-approvals-security#protected-paths-in-writable-roots) | Directories Codex is allowed to modify. | App, CLI, IDE extension |

121 

122Term

123 

124[Agent](/codex)

125 

126Definition

127 

128The Codex worker that reasons over context, uses tools, and completes a task.

129 

130Applies to

131 

132App, CLI, IDE extension, Cloud

133 

134Term

135 

136[AGENTS.md](https://developers.openai.com/codex/guides/agents-md)

137 

138Definition

139 

140Repository or user guidance file that gives Codex persistent instructions.

141 

142Applies to

143 

144App, CLI, IDE extension, Cloud

145 

146Term

147 

148[Analytics dashboard](https://developers.openai.com/codex/enterprise/governance#analytics-dashboard)

149 

150Definition

151 

152Admin view for Codex usage, adoption, and code review metrics.

153 

154Applies to

155 

156Enterprise

157 

158Term

159 

160[API key sign-in](https://developers.openai.com/codex/auth#sign-in-with-an-api-key)

161 

162Definition

163 

164Authentication using an OpenAI API key.

165 

166Applies to

167 

168App, CLI, IDE extension

169 

170Term

171 

172[Approval policy](https://developers.openai.com/codex/agent-approvals-security#sandbox-and-approvals)

173 

174Definition

175 

176Rules for when Codex must ask before taking an action.

177 

178Applies to

179 

180App, CLI, IDE extension

181 

182Term

183 

184[Approval request](https://developers.openai.com/codex/agent-approvals-security#automatic-approval-reviews)

185 

186Definition

187 

188Codex asking to allow a restricted action.

189 

190Applies to

191 

192App, CLI, IDE extension

193 

194Term

195 

196[Apps (connectors)](https://developers.openai.com/codex/plugins)

197 

198Definition

199 

200Integration that lets Codex access external services. Available through plugins; also called connectors.

201 

202Applies to

203 

204App, CLI, IDE extension

205 

206Term

207 

208[Appshot](https://developers.openai.com/codex/appshots)

209 

210Definition

211 

212Snapshot of the frontmost app window sent to a Codex thread.

213 

214Applies to

215 

216App

217 

218Term

219 

220[Auth cache](https://developers.openai.com/codex/auth#login-caching)

221 

222Definition

223 

224Locally stored login credentials reused by Codex.

225 

226Applies to

227 

228App, CLI, IDE extension

229 

230Term

231 

232[Automatic approval review](https://developers.openai.com/codex/agent-approvals-security#automatic-approval-reviews)

233 

234Definition

235 

236Model-based review of eligible approval requests before they proceed.

237 

238Applies to

239 

240App, CLI, IDE extension

241 

242Term

243 

244[Automation](https://developers.openai.com/codex/app/automations)

245 

246Definition

247 

248A scheduled or recurring Codex task.

249 

250Applies to

251 

252App

253 

254Term

255 

256[Automation run](https://developers.openai.com/codex/app/automations#managing-tasks)

257 

258Definition

259 

260One execution of a scheduled automation that may report findings or archive itself.

261 

262Applies to

263 

264App

265 

266Term

267 

268[Browser use](https://developers.openai.com/codex/app/browser#browser-use)

269 

270Definition

271 

272App capability that lets Codex operate the in-app browser directly.

273 

274Applies to

275 

276App

277 

278Term

279 

280[Chat](https://developers.openai.com/codex/app/features#chats)

281 

282Definition

283 

284A Codex conversation not tied to a project.

285 

286Applies to

287 

288App

289 

290Term

291 

292[ChatGPT sign-in](https://developers.openai.com/codex/auth#sign-in-with-chatgpt)

293 

294Definition

295 

296Authentication using a ChatGPT account and workspace permissions.

297 

298Applies to

299 

300App, CLI, IDE extension, Cloud

301 

302Term

303 

304[Chronicle](https://developers.openai.com/codex/memories/chronicle)

305 

306Definition

307 

308Opt-in feature that builds memories from recent screen context.

309 

310Applies to

311 

312App

313 

314Term

315 

316[Cloud](https://developers.openai.com/codex/cloud)

317 

318Definition

319 

320Mode where Codex works remotely in an OpenAI-managed environment.

321 

322Applies to

323 

324App, IDE extension, Web

325 

326Term

327 

328[Cloud environment](https://developers.openai.com/codex/cloud/environments)

329 

330Definition

331 

332Configured container setup used for Codex cloud tasks.

333 

334Applies to

335 

336Cloud

337 

338Term

339 

340[Cloud task](https://developers.openai.com/codex/cloud/environments#how-codex-cloud-tasks-run)

341 

342Definition

343 

344A remotely executed Codex task that runs in a cloud environment.

345 

346Applies to

347 

348Cloud

349 

350Term

351 

352[Cloud thread](https://developers.openai.com/codex/prompting#threads)

353 

354Definition

355 

356A thread that runs in a Codex cloud environment.

357 

358Applies to

359 

360Cloud

361 

362Term

363 

364[Codex](/codex)

365 

366Definition

367 

368OpenAI's coding agent for software development tasks.

369 

370Applies to

371 

372App, CLI, IDE extension, Web, Cloud, SDK

373 

374Term

375 

376[Codex app](https://developers.openai.com/codex/app)

377 

378Definition

379 

380Desktop app for running Codex threads in parallel, with built-in worktree support, automations, and Git functionality.

381 

382Applies to

383 

384Desktop

385 

386Term

387 

388[Codex app-server](https://developers.openai.com/codex/app-server)

389 

390Definition

391 

392Local JSON-RPC server for embedding Codex threads, turns, approvals, history, and streamed events in custom clients.

393 

394Applies to

395 

396App, IDE extension, SDK

397 

398Term

399 

400[Codex CLI](https://developers.openai.com/codex/cli)

401 

402Definition

403 

404Terminal client for running Codex interactively or in scripts.

405 

406Applies to

407 

408Terminal

409 

410Term

411 

412[Codex cloud](https://developers.openai.com/codex/cloud)

413 

414Definition

415 

416OpenAI-managed execution environment where Codex can work on repository tasks remotely.

417 

418Applies to

419 

420Web, App, IDE extension

421 

422Term

423 

424[codex exec](https://developers.openai.com/codex/noninteractive)

425 

426Definition

427 

428CLI command for running Codex non-interactively from scripts or CI.

429 

430Applies to

431 

432CLI

433 

434Term

435 

436[Codex IDE extension](https://developers.openai.com/codex/ide)

437 

438Definition

439 

440Editor integration for using Codex inside IDEs like VS Code, JetBrains IDEs, Cursor, and Windsurf.

441 

442Applies to

443 

444IDE

445 

446Term

447 

448[Codex SDK](https://developers.openai.com/codex/sdk)

449 

450Definition

451 

452Programmatic interface for building Codex-powered workflows or integrations.

453 

454Applies to

455 

456SDK

457 

458Term

459 

460[Codex web](https://developers.openai.com/codex/cloud)

461 

462Definition

463 

464Browser-based Codex surface for delegating cloud tasks.

465 

466Applies to

467 

468Browser

469 

470Term

471 

472[Codex-managed worktree](https://developers.openai.com/codex/app/worktrees#codex-managed-and-permanent-worktrees)

473 

474Definition

475 

476A temporary worktree Codex creates and manages for a thread.

477 

478Applies to

479 

480App

481 

482Term

483 

484[Compaction](https://developers.openai.com/codex/prompting#context)

485 

486Definition

487 

488Summarizing older context so long-running work can continue.

489 

490Applies to

491 

492App, CLI, IDE extension, Cloud

493 

494Term

495 

496[Compliance API](https://developers.openai.com/codex/enterprise/governance#compliance-api)

497 

498Definition

499 

500API for exporting Codex activity and audit metadata.

501 

502Applies to

503 

504Enterprise

505 

506Term

507 

508[Computer use](https://developers.openai.com/codex/app/computer-use)

509 

510Definition

511 

512App capability that lets Codex interact with desktop applications through the UI.

513 

514Applies to

515 

516App

517 

518Term

519 

520[config.toml](https://developers.openai.com/codex/config-reference#configtoml)

521 

522Definition

523 

524Local Codex configuration files.

525 

526Applies to

527 

528App, CLI, IDE extension

529 

530Term

531 

532[Connected host](https://developers.openai.com/codex/remote-connections#what-comes-from-the-connected-host)

533 

534Definition

535 

536Computer or development environment that provides files, tools, and shell access for remote Codex work.

537 

538Applies to

539 

540App, Mobile

541 

542Term

543 

544[Connector](https://developers.openai.com/codex/plugins)

545 

546Definition

547 

548App integration that lets Codex access external services. Available through plugins; also called apps.

549 

550Applies to

551 

552App, Cloud

553 

554Term

555 

556[Container cache](https://developers.openai.com/codex/cloud/environments#container-caching)

557 

558Definition

559 

560Saved cloud container state reused to speed up future tasks.

561 

562Applies to

563 

564Cloud

565 

566Term

567 

568[Context](https://developers.openai.com/codex/prompting#context)

569 

570Definition

571 

572Information Codex can use while working, such as files, prior messages, tool output, and instructions.

573 

574Applies to

575 

576App, CLI, IDE extension, Cloud, SDK

577 

578Term

579 

580[Context window](https://developers.openai.com/api/docs/guides/conversation-state#managing-the-context-window)

581 

582Definition

583 

584The maximum amount of information the model can consider at once.

585 

586Applies to

587 

588App, CLI, IDE extension, Cloud, SDK

589 

590Term

591 

592[Custom agent](https://developers.openai.com/codex/subagents#custom-agents)

593 

594Definition

595 

596User-defined agent role with its own instructions and settings.

597 

598Applies to

599 

600App, CLI

601 

602Term

603 

604[Deny-read rule](https://developers.openai.com/codex/permissions#deny-reads-with-exact-paths-or-globs)

605 

606Definition

607 

608Filesystem permission rule that prevents Codex from reading sensitive paths or glob matches.

609 

610Applies to

611 

612App, CLI, IDE extension, Enterprise

613 

614Term

615 

616[Diff](https://developers.openai.com/codex/app/review#what-changes-it-shows)

617 

618Definition

619 

620Set of Git file changes shown for inspection, comments, staging, or reverting.

621 

622Applies to

623 

624App, Git, Review

625 

626Term

627 

628[Domain allowlist](https://developers.openai.com/codex/cloud/internet-access#domain-allowlist)

629 

630Definition

631 

632Set of domains Codex cloud can reach when agent internet access is enabled.

633 

634Applies to

635 

636Cloud

637 

638Term

639 

640[Environment (local)](https://developers.openai.com/codex/app/local-environments)

641 

642Definition

643 

644App configuration to tell Codex how to set up worktrees for a project.

645 

646Applies to

647 

648App, Worktree

649 

650Term

651 

652[Environment variable](https://developers.openai.com/codex/cloud/environments#environment-variables-and-secrets)

653 

654Definition

655 

656Runtime configuration value available during task execution.

657 

658Applies to

659 

660Cloud, CLI, IDE extension

661 

662Term

663 

664[Ephemeral session](https://developers.openai.com/codex/noninteractive#basic-usage)

665 

666Definition

667 

668Non-interactive run that skips saving session state after it completes.

669 

670Applies to

671 

672CLI

673 

674Term

675 

676[Fast mode](https://developers.openai.com/codex/speed#fast-mode)

677 

678Definition

679 

680Speed setting that makes supported models respond faster at a higher credit cost.

681 

682Applies to

683 

684CLI, IDE extension

685 

686Term

687 

688[Filesystem permission](https://developers.openai.com/codex/permissions#filesystem-permissions)

689 

690Definition

691 

692Permission profile rule that grants or denies read and write access to paths.

693 

694Applies to

695 

696App, CLI, IDE extension

697 

698Term

699 

700[Finding](https://developers.openai.com/codex/app/automations#managing-tasks)

701 

702Definition

703 

704A notable result or issue surfaced by an automation.

705 

706Applies to

707 

708App

709 

710Term

711 

712[Full access](https://developers.openai.com/codex/concepts/sandboxing#configure-defaults)

713 

714Definition

715 

716Mode where Codex runs without normal sandbox restrictions.

717 

718Applies to

719 

720App, CLI, IDE extension

721 

722Term

723 

724[Git worktree](https://developers.openai.com/codex/app/worktrees#whats-a-worktree)

725 

726Definition

727 

728A second checkout of the same repository for parallel branch work.

729 

730Applies to

731 

732App, Git

733 

734Term

735 

736[Handoff](https://developers.openai.com/codex/app/worktrees#working-between-local-and-worktree)

737 

738Definition

739 

740Moving a thread and its work between Local and Worktree.

741 

742Applies to

743 

744App

745 

746Term

747 

748[Heartbeat](https://developers.openai.com/codex/app/automations#thread-automations)

749 

750Definition

751 

752A recurring thread wake-up that returns Codex to the same conversation on a schedule. Also called a thread automation.

753 

754Applies to

755 

756App

757 

758Term

759 

760[Hook](https://developers.openai.com/codex/hooks)

761 

762Definition

763 

764A lifecycle handler that runs when a Codex event matches, such as tool use, permission requests, or when a turn stops.

765 

766Applies to

767 

768App, CLI, IDE extension

769 

770Term

771 

772[Hook event](https://developers.openai.com/codex/hooks#config-shape)

773 

774Definition

775 

776Lifecycle point where configured hook handlers can run.

777 

778Applies to

779 

780App, CLI, IDE extension

781 

782Term

783 

784[Hunk](https://developers.openai.com/codex/app/review#staging-and-reverting-files)

785 

786Definition

787 

788Contiguous section of a diff that can be staged, unstaged, or reverted independently.

789 

790Applies to

791 

792App, Git, Review

793 

794Term

795 

796[Inline comment](https://developers.openai.com/codex/app/review#inline-comments-for-feedback)

797 

798Definition

799 

800Line-specific feedback attached to a diff.

801 

802Applies to

803 

804App

805 

806Term

807 

808[Live web search](https://developers.openai.com/codex/config-basic#web-search-mode)

809 

810Definition

811 

812Real-time web lookup for current information.

813 

814Applies to

815 

816App, CLI, IDE extension

817 

818Term

819 

820[Local](https://developers.openai.com/codex/app/worktrees#working-between-local-and-worktree)

821 

822Definition

823 

824Mode where Codex works on the user's computer.

825 

826Applies to

827 

828App, CLI, IDE extension

829 

830Term

831 

832[Local thread](https://developers.openai.com/codex/prompting#threads)

833 

834Definition

835 

836A thread that runs on the user's machine.

837 

838Applies to

839 

840App, CLI, IDE extension

841 

842Term

843 

844[Maintenance script](https://developers.openai.com/codex/cloud/environments#container-caching)

845 

846Definition

847 

848Optional script run when a cached cloud container resumes.

849 

850Applies to

851 

852Cloud

853 

854Term

855 

856[Managed configuration](https://developers.openai.com/codex/enterprise/managed-configuration)

857 

858Definition

859 

860Organization-controlled Codex defaults and restrictions.

861 

862Applies to

863 

864Enterprise

865 

866Term

867 

868[MCP](https://developers.openai.com/codex/mcp)

869 

870Definition

871 

872Model Context Protocol, a standard for connecting Codex to external tools and context.

873 

874Applies to

875 

876App, CLI, IDE extension

877 

878Term

879 

880[MCP resource](https://developers.openai.com/codex/mcp#supported-mcp-features)

881 

882Definition

883 

884Readable context exposed by an MCP server for Codex to inspect.

885 

886Applies to

887 

888App, CLI, IDE extension

889 

890Term

891 

892[MCP server](https://developers.openai.com/codex/mcp#supported-mcp-features)

893 

894Definition

895 

896External tool or context provider exposed through MCP.

897 

898Applies to

899 

900App, CLI, IDE extension

901 

902Term

903 

904[MCP tool](https://developers.openai.com/codex/mcp#supported-mcp-features)

905 

906Definition

907 

908Action exposed by an MCP server that Codex can call during a task.

909 

910Applies to

911 

912App, CLI, IDE extension

913 

914Term

915 

916[MDM](https://developers.openai.com/codex/enterprise/managed-configuration#macos-managed-preferences-mdm)

917 

918Definition

919 

920Mobile device management tooling for distributing device profiles and managed Codex settings.

921 

922Applies to

923 

924Enterprise

925 

926Term

927 

928[Memories](https://developers.openai.com/codex/memories)

929 

930Definition

931 

932Locally stored context Codex can reuse across sessions.

933 

934Applies to

935 

936App, CLI, IDE extension

937 

938Term

939 

940[Model](https://developers.openai.com/codex/models)

941 

942Definition

943 

944The AI model Codex uses for reasoning and tool work.

945 

946Applies to

947 

948App, CLI, IDE extension, Cloud, SDK

949 

950Term

951 

952[Network access](https://developers.openai.com/codex/agent-approvals-security#network-access-)

953 

954Definition

955 

956Permission for commands or environments to reach the internet.

957 

958Applies to

959 

960App, CLI, IDE extension, Cloud

961 

962Term

963 

964[Network policy](https://developers.openai.com/codex/agent-approvals-security#network-policy)

965 

966Definition

967 

968Domain-based allow and deny rules that constrain sandboxed outbound network traffic.

969 

970Applies to

971 

972App, CLI, IDE extension

973 

974Term

975 

976[Non-interactive mode](https://developers.openai.com/codex/noninteractive)

977 

978Definition

979 

980CLI mode for running Codex from scripts or CI.

981 

982Applies to

983 

984CLI

985 

986Term

987 

988[Output schema](https://developers.openai.com/codex/noninteractive#create-structured-outputs-with-a-schema)

989 

990Definition

991 

992JSON Schema passed to `codex exec` to constrain the final response.

993 

994Applies to

995 

996CLI

997 

998Term

999 

1000[Permanent worktree](https://developers.openai.com/codex/app/worktrees#codex-managed-and-permanent-worktrees)

1001 

1002Definition

1003 

1004A long-lived worktree kept as its own project.

1005 

1006Applies to

1007 

1008App

1009 

1010Term

1011 

1012[Permission profile](https://developers.openai.com/codex/permissions#define-and-select-a-profile)

1013 

1014Definition

1015 

1016Named least-privilege policy that combines filesystem and network rules for local command execution.

1017 

1018Applies to

1019 

1020App, CLI, IDE extension

1021 

1022Term

1023 

1024[Plan](https://developers.openai.com/codex/learn/best-practices#plan-first-for-difficult-tasks)

1025 

1026Definition

1027 

1028Codex's proposed or tracked steps for completing a task.

1029 

1030Applies to

1031 

1032App, CLI, IDE extension, Cloud

1033 

1034Term

1035 

1036[Plugin](https://developers.openai.com/codex/plugins)

1037 

1038Definition

1039 

1040Installable bundle that can distribute skills, tools, and integrations.

1041 

1042Applies to

1043 

1044App, CLI, IDE extension

1045 

1046Term

1047 

1048[Plugin manifest](https://developers.openai.com/codex/plugins/build#plugin-structure)

1049 

1050Definition

1051 

1052Plugin metadata file that identifies a plugin and points to bundled skills, apps, MCP servers, hooks, and metadata.

1053 

1054Applies to

1055 

1056App, CLI, IDE extension, Plugins

1057 

1058Term

1059 

1060[Prefix rule](https://developers.openai.com/codex/rules#understand-the-rules-language)

1061 

1062Definition

1063 

1064Command-rule pattern that allows, prompts for, or forbids matching command prefixes.

1065 

1066Applies to

1067 

1068App, CLI, IDE extension, Enterprise

1069 

1070Term

1071 

1072[Profile](https://developers.openai.com/codex/config-advanced#profiles)

1073 

1074Definition

1075 

1076Named configuration preset for Codex.

1077 

1078Applies to

1079 

1080CLI, IDE extension

1081 

1082Term

1083 

1084[Progressive disclosure](https://developers.openai.com/codex/skills)

1085 

1086Definition

1087 

1088Loading skill details only when needed to preserve context.

1089 

1090Applies to

1091 

1092App, CLI, IDE extension

1093 

1094Term

1095 

1096[Project](https://developers.openai.com/codex/app/features#multitask-across-projects)

1097 

1098Definition

1099 

1100A selected codebase or folder Codex works in.

1101 

1102Applies to

1103 

1104App

1105 

1106Term

1107 

1108[Prompt](https://developers.openai.com/codex/prompting)

1109 

1110Definition

1111 

1112The user instruction or request sent to Codex.

1113 

1114Applies to

1115 

1116App, CLI, IDE extension, Cloud, SDK

1117 

1118Term

1119 

1120[Pull request review](https://developers.openai.com/codex/app/review#pull-request-reviews)

1121 

1122Definition

1123 

1124Codex review of changes or feedback on a pull request.

1125 

1126Applies to

1127 

1128App, CLI, GitHub

1129 

1130Term

1131 

1132[RBAC](https://developers.openai.com/codex/enterprise/admin-setup#step-2-set-up-custom-roles-rbac)

1133 

1134Definition

1135 

1136Role-based access control for workspace permissions.

1137 

1138Applies to

1139 

1140Enterprise

1141 

1142Term

1143 

1144[Read-only mode](https://developers.openai.com/codex/concepts/sandboxing)

1145 

1146Definition

1147 

1148Mode where Codex can inspect but not modify without approval.

1149 

1150Applies to

1151 

1152App, CLI, IDE extension

1153 

1154Term

1155 

1156[Reasoning effort](https://developers.openai.com/codex/config-basic#reasoning-effort)

1157 

1158Definition

1159 

1160Setting that controls how much reasoning budget a model uses.

1161 

1162Applies to

1163 

1164App, CLI, IDE extension, SDK

1165 

1166Term

1167 

1168[Remote connection](https://developers.openai.com/codex/remote-connections)

1169 

1170Definition

1171 

1172Connection that lets Codex work from another device using a connected host.

1173 

1174Applies to

1175 

1176App, Mobile

1177 

1178Term

1179 

1180[requirements.toml](https://developers.openai.com/codex/config-reference#requirementstoml)

1181 

1182Definition

1183 

1184Admin-enforced requirements file for managed Codex setups.

1185 

1186Applies to

1187 

1188Enterprise

1189 

1190Term

1191 

1192[Review pane](https://developers.openai.com/codex/app/review)

1193 

1194Definition

1195 

1196App view for inspecting diffs, comments, and Git changes.

1197 

1198Applies to

1199 

1200App

1201 

1202Term

1203 

1204[Rules](https://developers.openai.com/codex/rules)

1205 

1206Definition

1207 

1208Policies that allow, prompt for, or deny command prefixes or permission exceptions.

1209 

1210Applies to

1211 

1212App, CLI, IDE extension

1213 

1214Term

1215 

1216[Sandbox](https://developers.openai.com/codex/concepts/sandboxing)

1217 

1218Definition

1219 

1220Enforced boundary limiting what Codex commands can access or modify.

1221 

1222Applies to

1223 

1224App, CLI, IDE extension

1225 

1226Term

1227 

1228[Sandbox mode](https://developers.openai.com/codex/config-basic#sandbox-level)

1229 

1230Definition

1231 

1232Configuration that defines Codex's filesystem and network limits.

1233 

1234Applies to

1235 

1236App, CLI, IDE extension

1237 

1238Term

1239 

1240[Sandbox preset](https://developers.openai.com/codex/sdk#sandbox-presets)

1241 

1242Definition

1243 

1244SDK shorthand for common sandbox policies such as read-only, workspace-write, or full access.

1245 

1246Applies to

1247 

1248SDK

1249 

1250Term

1251 

1252[Schedule](https://developers.openai.com/codex/app/automations)

1253 

1254Definition

1255 

1256The timing rule for an automation.

1257 

1258Applies to

1259 

1260App

1261 

1262Term

1263 

1264[Secret](https://developers.openai.com/codex/cloud/environments#environment-variables-and-secrets)

1265 

1266Definition

1267 

1268Encrypted value available to setup scripts but removed before the agent phase.

1269 

1270Applies to

1271 

1272Cloud

1273 

1274Term

1275 

1276[Setup script](https://developers.openai.com/codex/app/local-environments#setup-scripts)

1277 

1278Definition

1279 

1280Script run before the agent starts to install dependencies or prepare tools.

1281 

1282Applies to

1283 

1284App worktrees

1285 

1286Term

1287 

1288[Skill](https://developers.openai.com/codex/skills)

1289 

1290Definition

1291 

1292Reusable workflow package with instructions and optional scripts or references.

1293 

1294Applies to

1295 

1296App, CLI, IDE extension

1297 

1298Term

1299 

1300[Skill invocation](https://developers.openai.com/codex/skills#how-codex-uses-skills)

1301 

1302Definition

1303 

1304Explicit or implicit activation of a skill.

1305 

1306Applies to

1307 

1308App, CLI, IDE extension

1309 

1310Term

1311 

1312[Slash command](https://developers.openai.com/codex/cli/slash-commands)

1313 

1314Definition

1315 

1316Command entered with a leading slash to control or inspect a Codex CLI session.

1317 

1318Applies to

1319 

1320CLI

1321 

1322Term

1323 

1324[Standalone automation](https://developers.openai.com/codex/app/automations)

1325 

1326Definition

1327 

1328Independent scheduled run that reports separate findings.

1329 

1330Applies to

1331 

1332App

1333 

1334Term

1335 

1336[STDIO MCP server](https://developers.openai.com/codex/mcp#stdio-servers)

1337 

1338Definition

1339 

1340MCP server launched as a local process by a configured command and arguments.

1341 

1342Applies to

1343 

1344CLI, IDE extension

1345 

1346Term

1347 

1348[Streamable HTTP MCP server](https://developers.openai.com/codex/mcp#streamable-http-servers)

1349 

1350Definition

1351 

1352MCP server reached over HTTP, optionally with bearer token or OAuth authentication.

1353 

1354Applies to

1355 

1356CLI, IDE extension

1357 

1358Term

1359 

1360[Subagent](https://developers.openai.com/codex/concepts/subagents)

1361 

1362Definition

1363 

1364Specialized child agent spawned to work on part of a task.

1365 

1366Applies to

1367 

1368App, CLI

1369 

1370Term

1371 

1372[Subagent workflow](https://developers.openai.com/codex/concepts/subagents#core-terms)

1373 

1374Definition

1375 

1376Workflow where Codex runs delegated agents in parallel and combines their results.

1377 

1378Applies to

1379 

1380App, CLI

1381 

1382Term

1383 

1384[Task](https://developers.openai.com/codex/app/automations#managing-tasks)

1385 

1386Definition

1387 

1388The unit of work Codex is asked to complete.

1389 

1390Applies to

1391 

1392App, CLI, IDE extension, Cloud, SDK

1393 

1394Term

1395 

1396[Thread](https://developers.openai.com/codex/prompting#threads)

1397 

1398Definition

1399 

1400A single Codex session containing prompts, model output, and tool activity.

1401 

1402Applies to

1403 

1404App, CLI, IDE extension, Cloud, SDK

1405 

1406Term

1407 

1408[Thread automation](https://developers.openai.com/codex/app/automations#thread-automations)

1409 

1410Definition

1411 

1412Recurring wake-up attached to an existing thread. Also called a heartbeat.

1413 

1414Applies to

1415 

1416App

1417 

1418Term

1419 

1420[Thread fork](https://developers.openai.com/codex/app-server#start-or-resume-a-thread)

1421 

1422Definition

1423 

1424New thread branched from the stored history of an existing thread.

1425 

1426Applies to

1427 

1428App-server, SDK

1429 

1430Term

1431 

1432[Turn](https://developers.openai.com/codex/app-server#core-primitives)

1433 

1434Definition

1435 

1436One exchange in a thread, usually a user prompt plus Codex's response and actions.

1437 

1438Applies to

1439 

1440App, CLI, IDE extension, Cloud, SDK

1441 

1442Term

1443 

1444[Universal image](https://developers.openai.com/codex/cloud/environments#default-universal-image)

1445 

1446Definition

1447 

1448Default Codex cloud container image with common tools preinstalled.

1449 

1450Applies to

1451 

1452Cloud

1453 

1454Term

1455 

1456[Web search cache](https://developers.openai.com/codex/config-basic#web-search-mode)

1457 

1458Definition

1459 

1460Pre-indexed search results Codex can use without live browsing.

1461 

1462Applies to

1463 

1464App, CLI, IDE extension

1465 

1466Term

1467 

1468[Worktree](https://developers.openai.com/codex/app/worktrees)

1469 

1470Definition

1471 

1472Mode where Codex isolates changes in a separate Git worktree.

1473 

1474Applies to

1475 

1476App

1477 

1478Term

1479 

1480[Writable roots](https://developers.openai.com/codex/agent-approvals-security#protected-paths-in-writable-roots)

1481 

1482Definition

1483 

1484Directories Codex is allowed to modify.

1485 

1486Applies to

1487 

1488App, CLI, IDE extension

1489 

1490Expand to view all

1491 

30 30 

31gpt-5.431gpt-5.4

32 32 

33Flagship frontier model for professional work that brings the industry-leading coding capabilities of GPT-5.3-Codex together with stronger reasoning, tool use, and agentic workflows.33Flagship frontier model for professional work with strong coding, reasoning, tool use, and agentic workflow capabilities.

34 34 

35codex -m gpt-5.435codex -m gpt-5.4

36 36 

74 74 

75API Access75API Access

76 76 

77![gpt-5.3-codex](/images/codex/codex-wallpaper-1.webp)

78 

79gpt-5.3-codex

80 

81Industry-leading coding model for complex software engineering. Its coding capabilities now also power GPT-5.4.

82 

83codex -m gpt-5.3-codex

84 

85Copy command

86 

87Capability

88 

89Speed

90 

91Codex CLI & SDK

92 

93Codex app & IDE extension

94 

95Codex Cloud

96 

97ChatGPT Credits

98 

99API Access

100 

101![gpt-5.3-codex-spark](/images/codex/codex-wallpaper-2.webp)77![gpt-5.3-codex-spark](/images/codex/codex-wallpaper-2.webp)

102 78 

103gpt-5.3-codex-spark79gpt-5.3-codex-spark

135for ChatGPT Pro subscribers and is optimized for near-instant, real-time111for ChatGPT Pro subscribers and is optimized for near-instant, real-time

136coding iteration.112coding iteration.

137 113 

138## Alternative models

139 

140![gpt-5.2](/images/api/models/gpt-5.2.jpg)

141 

142gpt-5.2

143 

144Previous general-purpose model for coding and agentic tasks, including hard debugging tasks that benefit from deeper deliberation.

145 

146codex -m gpt-5.2

147 

148Copy command

149 

150Show details

151 

152## Other models114## Other models

153 115 

154When you sign in with ChatGPT, Codex works best with the models listed above.116When you sign in with ChatGPT, Codex works best with the recommended models listed above.

155 117 

156You can also point Codex at any model and provider that supports either the [Chat Completions](https://platform.openai.com/docs/api-reference/chat) or [Responses APIs](https://platform.openai.com/docs/api-reference/responses) to fit your specific use case.118You can also point Codex at any model and provider that supports either the [Chat Completions](https://platform.openai.com/docs/api-reference/chat) or [Responses APIs](https://platform.openai.com/docs/api-reference/responses) to fit your specific use case.

157 119 

158Support for the Chat Completions API is deprecated and will be removed in120Support for the Chat Completions API is deprecated and will be removed in

159future releases of Codex.121future releases of Codex.

160 122 

123## Deprecated Codex models

124 

125The `gpt-5.2` and `gpt-5.3-codex` models are deprecated in Codex when you sign in with ChatGPT. If your scripts, configuration files, or `codex exec --model` commands still reference deprecated models, update them to the latest model listed above.

126 

127Some models that are deprecated for ChatGPT sign-in may still be available in the API. If your workflow depends on one of those models, use API-key authentication and check the [API models page](https://developers.openai.com/api/docs/models) for current availability.

128 

161## Configuring models129## Configuring models

162 130 

163### Configure your default local model131### Configure your default local model

30Codex includes three built-in permission profiles:30Codex includes three built-in permission profiles:

31 31 

32- `:read-only` keeps local command execution read-only.32- `:read-only` keeps local command execution read-only.

33- `:workspace` allows writes inside the active workspace roots.33- `:workspace` allows writes inside the active workspace roots and system temp directories.

34- `:danger-full-access` removes local sandbox restrictions and should be used34- `:danger-full-access` removes local sandbox restrictions and should be used

35 only when that broad access is intentional.35 only when that broad access is intentional.

36 36 

216| `:minimal` | Platform and runtime paths needed by common tools | `.` only |216| `:minimal` | Platform and runtime paths needed by common tools | `.` only |

217| `:workspace_roots` | The current session’s workspace roots plus any enabled profile-defined workspace roots | Yes |217| `:workspace_roots` | The current session’s workspace roots plus any enabled profile-defined workspace roots | Yes |

218| `:tmpdir` | The `$TMPDIR` location, when one is available | `.` only |218| `:tmpdir` | The `$TMPDIR` location, when one is available | `.` only |

219| `:slash_tmp` | The `/tmp` folder, if it exists | `.` only |

219| `/absolute/path` | A platform absolute path, such as `/path` on macOS/Linux/WSL or `C:\path` on native Windows | Yes |220| `/absolute/path` | A platform absolute path, such as `/path` on macOS/Linux/WSL or `C:\path` on native Windows | Yes |

220| `~/path` | A path under the current user’s home directory | Yes |221| `~/path` | A path under the current user’s home directory | Yes |

221 222 

464"api.openai.com" = "allow"465"api.openai.com" = "allow"

465```466```

466 467 

468### File access limited to workspace

469 

470Here is an example of a permission profile that will make your workspace folders writable by Codex while denying reads to the rest of the filesystem (with limited exceptions, as determined by `:minimal`).

471 

472```

473default_permissions = "workspace-only"

474 

475[permissions.workspace-only]

476# By extending the :workspace profile, you get Codex's safeguards to ensure

477# subfolders such as .codex/ and .git/ within a workspace root are read-only

478# while the rest of the folder is writable.

479extends = ":workspace"

480 

481[permissions.workspace-only.filesystem]

482# By default, deny read access to all files on disk.

483":root" = "deny"

484 

485# Though in practice, a software agent needs to be able to read folders that

486# contain common tools, such as `/usr/bin`, to get work done, so grant access

487# to a "minimal" set of files and folders, as determined by Codex.

488":minimal" = "read"

489 

490# By extending the :workspace profile, :tmpdir and :slash_tmp are "write" by

491# default, though you can deny access to them altogether, if desired.

492":tmpdir" = "deny"

493":slash_tmp" = "deny"

494```

495 

467### Workspace write without network496### Workspace write without network

468 497 

469```498```

32 32 

33## Collections33## Collections

34 34 

35[Productivity & Collaboration Coordinate work across apps, data, and teams.](https://developers.openai.com/codex/use-cases/collections/productivity-and-collaboration) [Web development Build responsive UI from designs and prompts.](https://developers.openai.com/codex/use-cases/collections/web-development) [Game development Prototype loops, UI, and gameplay faster.](https://developers.openai.com/codex/use-cases/collections/game-development) [Native development Build and debug iOS and macOS apps.](https://developers.openai.com/codex/use-cases/collections/native-development) [Production systems Navigate, refactor, and review real codebases.](https://developers.openai.com/codex/use-cases/collections/production-systems) [Security Find, review, and remediate vulnerabilities in authorized code.](https://developers.openai.com/codex/use-cases/collections/security) [Life Sciences Use GPT-Rosalind to accelerate scientific research and drug discovery.](https://developers.openai.com/codex/use-cases/collections/life-sciences)35[Productivity & Collaboration Coordinate work across apps, data, and teams.](https://developers.openai.com/codex/use-cases/collections/productivity-and-collaboration) [Web development Build responsive UI from designs and prompts.](https://developers.openai.com/codex/use-cases/collections/web-development) [Game development Prototype loops, UI, and gameplay faster.](https://developers.openai.com/codex/use-cases/collections/game-development) [Native development Build and debug iOS and macOS apps.](https://developers.openai.com/codex/use-cases/collections/native-development) [Production systems Navigate, refactor, and review real codebases.](https://developers.openai.com/codex/use-cases/collections/production-systems) [Security Assess code, review changes, and remediate security findings.](https://developers.openai.com/codex/use-cases/collections/security) [Life Sciences Use GPT-Rosalind to accelerate scientific research and drug discovery.](https://developers.openai.com/codex/use-cases/collections/life-sciences)

36 36 

37## All use cases37## All use cases

38 38 

67Command name: [cli-name, or recommend one].67Command name: [cli-name, or recommend one].

68Before coding, show me the proposed command surface and ask only for missing details that would block the build.68Before coding, show me the proposed command surface and ask only for missing details that would block the build.

69 69 

70[Open in the Codex app](codex://threads/new?prompt=Use+%24cli-creator+to+create+a+CLI+you+can+use%2C+and+use+%24skill-creator+to+create+the+companion+skill+in+this+same+thread.%0A%0ASource+to+learn+from%3A+%5Bdocs+URL%2C+OpenAPI+spec%2C+redacted+curl+command%2C+existing+script+path%2C+log+folder%2C+CSV+or+JSON+export%2C+SQLite+database+path%2C+or+pasted+--help+output%5D.%0A%0AFirst+job+the+CLI+should+support%3A+%5Bdownload+failed+CI+logs+from+a+build+URL%2C+search+support+tickets+and+read+one+by+ID%2C+query+an+admin+API%2C+read+a+local+database%2C+or+run+one+step+from+an+existing+script%5D.%0A%0AOptional+write+job%3A+%5Bcreate+a+draft+comment%2C+upload+media%2C+retry+a+failed+job%2C+or+read-only+for+now%5D.%0A%0ACommand+name%3A+%5Bcli-name%2C+or+recommend+one%5D.%0A%0ABefore+coding%2C+show+me+the+proposed+command+surface+and+ask+only+for+missing+details+that+would+block+the+build. "Open in the Codex app")70Open in the Codex app

71 71 

72Use $cli-creator to create a CLI you can use, and use $skill-creator to create the companion skill in this same thread.72Use $cli-creator to create a CLI you can use, and use $skill-creator to create the companion skill in this same thread.

73Source to learn from: [docs URL, OpenAPI spec, redacted curl command, existing script path, log folder, CSV or JSON export, SQLite database path, or pasted --help output].73Source to learn from: [docs URL, OpenAPI spec, redacted curl command, existing script path, log folder, CSV or JSON export, SQLite database path, or pasted --help output].

74- Passing and failing cases74- Passing and failing cases

75- Recommended next evals to add75- Recommended next evals to add

76 76 

77[Open in the Codex app](codex://threads/new?prompt=Use+%24promptfoo-evals+to+add+a+Promptfoo+eval+suite+for+this+AI+application.+If+there+is+not+already+a+working+Promptfoo+provider+or+target+adapter%2C+use+%24promptfoo-provider-setup+first.%0A%0ABehavior+to+evaluate%3A+%5Bsupport+answer+quality+%2F+tool-call+correctness+%2F+retrieval+grounding+%2F+business+rules+%2F+agent+task+completion%5D%0A%0ABefore+editing%3A%0A-+Inspect+the+app+path+users+hit+and+any+existing+evals+or+tests.%0A-+Propose+the+smallest+useful+eval+plan%3A+target+adapter%2C+seed+cases%2C+assertions%2C+files%2C+commands%2C+and+required+env+vars+or+local+services.%0A-+Do+not+change+production+prompts%2C+model+settings%2C+or+app+behavior+until+the+baseline+eval+exists+and+has+been+run.%0A%0ARequirements%3A%0A-+Exercise+the+application+path+users+hit+when+possible%2C+not+only+the+raw+model+prompt.%0A-+Keep+fixtures+free+of+secrets%2C+customer+data%2C+and+sensitive+personal+data.%0A-+Add+a+local+eval+command+such+as+%60npm+run+evals%60+or+document+the+exact+command+to+run.%0A%0AFinish+with%3A%0A-+Files+changed%0A-+Eval+commands+run%0A-+Passing+and+failing+cases%0A-+Recommended+next+evals+to+add "Open in the Codex app")77Open in the Codex app

78 78 

79Use $promptfoo-evals to add a Promptfoo eval suite for this AI application. If there is not already a working Promptfoo provider or target adapter, use $promptfoo-provider-setup first.79Use $promptfoo-evals to add a Promptfoo eval suite for this AI application. If there is not already a working Promptfoo provider or target adapter, use $promptfoo-provider-setup first.

80Behavior to evaluate: [support answer quality / tool-call correctness / retrieval grounding / business rules / agent task completion]80Behavior to evaluate: [support answer quality / tool-call correctness / retrieval grounding / business rules / agent task completion]

68- create a simple browser visualization as an HTML file68- create a simple browser visualization as an HTML file

69- start a local preview so I can open it in the Codex browser69- start a local preview so I can open it in the Codex browser

70 70 

71[Open in the Codex app](codex://threads/new?prompt=Analyze+%40sales-export.csv%0A%0AQuestion%3A+Which+customer+segment+changed+the+most+last+quarter%3F%0A%0APlease%3A%0A-+inspect+the+columns+before+analyzing%0A-+answer+the+question+from+the+data%0A-+create+a+simple+browser+visualization+as+an+HTML+file%0A-+start+a+local+preview+so+I+can+open+it+in+the+Codex+browser "Open in the Codex app")71Open in the Codex app

72 72 

73Analyze @sales-export.csv73Analyze @sales-export.csv

74Question: Which customer segment changed the most last quarter?74Question: Which customer segment changed the most last quarter?

65- Update prompts using the latest model prompt guidance.65- Update prompts using the latest model prompt guidance.

66- Call out any prompt, tool, or response-shape changes we need to review manually.66- Call out any prompt, tool, or response-shape changes we need to review manually.

67 67 

68[Open in the Codex app](codex://threads/new?prompt=Use+%24openai-docs+to+upgrade+this+OpenAI+integration+to+the+latest+recommended+model+and+API+features.%0A%0ASpecifically%2C+look+for+the+latest+model+and+prompt+guidance+for+this+specific+model.%0A%0ARequirements%3A%0A-+Start+by+inventorying+the+current+models%2C+endpoints%2C+and+tool+assumptions+in+the+repo.%0A-+Identify+the+smallest+migration+plan+that+gets+us+onto+the+latest+supported+path.%0A-+Preserve+behavior+unless+a+change+is+required+by+the+new+API+or+model.%0A-+Update+prompts+using+the+latest+model+prompt+guidance.+%0A-+Call+out+any+prompt%2C+tool%2C+or+response-shape+changes+we+need+to+review+manually. "Open in the Codex app")68Open in the Codex app

69 69 

70Use $openai-docs to upgrade this OpenAI integration to the latest recommended model and API features.70Use $openai-docs to upgrade this OpenAI integration to the latest recommended model and API features.

71Specifically, look for the latest model and prompt guidance for this specific model.71Specifically, look for the latest model and prompt guidance for this specific model.

62Compare actuals to plan, map actuals to the right budget categories, summarize the major variances, and prepare a clean review view as an editable .xlsx workbook.62Compare actuals to plan, map actuals to the right budget categories, summarize the major variances, and prepare a clean review view as an editable .xlsx workbook.

63Preserve the raw inputs, use formulas for dollar and percentage variance calculations, and flag categories that do not map cleanly instead of forcing a match. Use account type to determine favorable or unfavorable variance: revenue above plan is favorable, while expense above plan is unfavorable.63Preserve the raw inputs, use formulas for dollar and percentage variance calculations, and flag categories that do not map cleanly instead of forcing a match. Use account type to determine favorable or unfavorable variance: revenue above plan is favorable, while expense above plan is unfavorable.

64 64 

65[Open in the Codex app](codex://threads/new?prompt=Use+%24spreadsheets+to+update+the+budget+vs.+actuals+review+from+the+attached+files.%0A%0ACompare+actuals+to+plan%2C+map+actuals+to+the+right+budget+categories%2C+summarize+the+major+variances%2C+and+prepare+a+clean+review+view+as+an+editable+.xlsx+workbook.%0A%0APreserve+the+raw+inputs%2C+use+formulas+for+dollar+and+percentage+variance+calculations%2C+and+flag+categories+that+do+not+map+cleanly+instead+of+forcing+a+match.+Use+account+type+to+determine+favorable+or+unfavorable+variance%3A+revenue+above+plan+is+favorable%2C+while+expense+above+plan+is+unfavorable. "Open in the Codex app")65Open in the Codex app

66 66 

67Use $spreadsheets to update the budget vs. actuals review from the attached files.67Use $spreadsheets to update the budget vs. actuals review from the attached files.

68Compare actuals to plan, map actuals to the right budget categories, summarize the major variances, and prepare a clean review view as an editable .xlsx workbook.68Compare actuals to plan, map actuals to the right budget categories, summarize the major variances, and prepare a clean review view as an editable .xlsx workbook.

70- Test the main flow, persistence, and responsive layout before deploying.70- Test the main flow, persistence, and responsive layout before deploying.

71Make it available to all workspace users.71Make it available to all workspace users.

72 72 

73[Open in the Codex app](codex://threads/new?prompt=Use+%40sites+to+build+and+deploy+an+internal+app+for+%5Bteam+or+workflow%5D.%0A%0AGoal%3A%0A-+%5Bwhat+the+app+should+help+people+do%5D%0A-+%5Bwho+should+use+it%5D%0A-+%5Bsource+docs%2C+data%2C+or+connected+services+Codex+should+inspect%5D%0A%0ARequirements%3A%0A-+Keep+the+first+version+focused+on+one+useful+workflow.%0A-+Use+D1+for+structured+data+persistence.%0A-+Use+R2+for+user-uploaded+files+if+needed.%0A-+Test+the+main+flow%2C+persistence%2C+and+responsive+layout+before+deploying.%0A%0AMake+it+available+to+all+workspace+users. "Open in the Codex app")73Open in the Codex app

74 74 

75Use @sites to build and deploy an internal app for [team or workflow].75Use @sites to build and deploy an internal app for [team or workflow].

76Goal:76Goal:

67- validation and resource-readiness artifacts67- validation and resource-readiness artifacts

68- a short QC interpretation that calls out mapping rate, duplication, library-type agreement, outlier samples, and anything that would block downstream differential expression68- a short QC interpretation that calls out mapping rate, duplication, library-type agreement, outlier samples, and anything that would block downstream differential expression

69 69 

70[Open in the Codex app](codex://threads/new?prompt=Use+the+NGS+Analysis+plugin.%0A%0ARun+bulk+RNA-seq+FASTQ-to-count+QC+on+the+provided+sample+sheet%2C+FASTQ+root%2C+transcriptome+FASTA%2C+genome+FASTA%2C+and+GTF.%0A%0AReturn%3A%0A-+run_manifest.json%0A-+MultiQC+plus+browser-safe+review+links%0A-+Salmon+transcript-+and+gene-level+matrices%0A-+validation+and+resource-readiness+artifacts%0A-+a+short+QC+interpretation+that+calls+out+mapping+rate%2C+duplication%2C+library-type+agreement%2C+outlier+samples%2C+and+anything+that+would+block+downstream+differential+expression "Open in the Codex app")70Open in the Codex app

71 71 

72Use the NGS Analysis plugin.72Use the NGS Analysis plugin.

73Run bulk RNA-seq FASTQ-to-count QC on the provided sample sheet, FASTQ root, transcriptome FASTA, genome FASTA, and GTF.73Run bulk RNA-seq FASTQ-to-count QC on the provided sample sheet, FASTQ root, transcriptome FASTA, genome FASTA, and GTF.

62Use beginning cash, expected receipts, payroll, vendor payments, debt, tax, capex, working-capital items, and timing assumptions where available. Preserve the source cadence, whether weekly or monthly.62Use beginning cash, expected receipts, payroll, vendor payments, debt, tax, capex, working-capital items, and timing assumptions where available. Preserve the source cadence, whether weekly or monthly.

63Include a summary view that flags the liquidity low point, the minimum ending cash balance, and any breach of the safety cash threshold. Use formulas so I can change assumptions later, and call out missing timing assumptions before using placeholders.63Include a summary view that flags the liquidity low point, the minimum ending cash balance, and any breach of the safety cash threshold. Use formulas so I can change assumptions later, and call out missing timing assumptions before using placeholders.

64 64 

65[Open in the Codex app](codex://threads/new?prompt=Use+%24spreadsheets+to+build+an+editable+cash-flow+forecast+workbook+from+the+attached+source+files.%0A%0AUse+beginning+cash%2C+expected+receipts%2C+payroll%2C+vendor+payments%2C+debt%2C+tax%2C+capex%2C+working-capital+items%2C+and+timing+assumptions+where+available.+Preserve+the+source+cadence%2C+whether+weekly+or+monthly.%0A%0AInclude+a+summary+view+that+flags+the+liquidity+low+point%2C+the+minimum+ending+cash+balance%2C+and+any+breach+of+the+safety+cash+threshold.+Use+formulas+so+I+can+change+assumptions+later%2C+and+call+out+missing+timing+assumptions+before+using+placeholders. "Open in the Codex app")65Open in the Codex app

66 66 

67Use $spreadsheets to build an editable cash-flow forecast workbook from the attached source files.67Use $spreadsheets to build an editable cash-flow forecast workbook from the attached source files.

68Use beginning cash, expected receipts, payroll, vendor payments, debt, tax, capex, working-capital items, and timing assumptions where available. Preserve the source cadence, whether weekly or monthly.68Use beginning cash, expected receipts, payroll, vendor payments, debt, tax, capex, working-capital items, and timing assumptions where available. Preserve the source cadence, whether weekly or monthly.

71- preserve source row IDs when possible71- preserve source row IDs when possible

72- add a short data-quality note with rows you changed, removed, or could not clean confidently72- add a short data-quality note with rows you changed, removed, or could not clean confidently

73 73 

74[Open in the Codex app](codex://threads/new?prompt=Clean+%40marketplace-risk-rollout-export.csv.%0A%0AWhat%27s+wrong%3A%0A-+dates+are+mixed+between+MM%2FDD%2FYYYY+and+YYYY-MM-DD%0A-+currency+values+include+%24%2C+commas%2C+and+blank+cells%0A-+a+few+duplicate+customer+rows+came+from+repeated+exports%0A-+region+and+category+names+use+several+aliases%0A-+there+are+pasted+summary+rows+mixed+into+the+data%0A%0AWhat+I+want%3A%0A-+write+a+cleaned+CSV%0A-+keep+the+original+file+unchanged%0A-+use+one+date+format%0A-+keep+blank+currency+cells+blank%0A-+preserve+source+row+IDs+when+possible%0A-+add+a+short+data-quality+note+with+rows+you+changed%2C+removed%2C+or+could+not+clean+confidently "Open in the Codex app")74Open in the Codex app

75 75 

76Clean @marketplace-risk-rollout-export.csv.76Clean @marketplace-risk-rollout-export.csv.

77What's wrong:77What's wrong:

75- If validation fails, fix it before continuing.75- If validation fails, fix it before continuing.

76- Start by mapping the migration surface and proposing the checkpoint plan.76- Start by mapping the migration surface and proposing the checkpoint plan.

77 77 

78[Open in the Codex app](codex://threads/new?prompt=Migrate+this+codebase+from+%5Blegacy+stack+or+system%5D+to+%5Btarget+stack+or+system%5D.%0A%0ARequirements%3A%0A-+Start+by+inventorying+the+legacy+assumptions%3A+routing%2C+data+models%2C+auth%2C+configuration%2C+build+tooling%2C+tests%2C+deployment%2C+and+external+contracts.%0A-+Map+the+old+stack+to+the+new+one+and+call+out+anything+that+has+no+direct+equivalent.%0A-+Propose+an+incremental+migration+plan+with+compatibility+layers+or+checkpoints+instead+of+one+big+rewrite.%0A-+Keep+behavior+unchanged+unless+the+migration+explicitly+requires+a+user-visible+change.%0A-+Work+in+milestones+and+run+lint%2C+type-check%2C+and+focused+tests+after+each+milestone.%0A-+Keep+rollback+or+fallback+options+visible+until+the+transition+is+complete.%0A-+If+validation+fails%2C+fix+it+before+continuing.%0A-+Start+by+mapping+the+migration+surface+and+proposing+the+checkpoint+plan. "Open in the Codex app")78Open in the Codex app

79 79 

80Migrate this codebase from [legacy stack or system] to [target stack or system].80Migrate this codebase from [legacy stack or system] to [target stack or system].

81Requirements:81Requirements:

53- the top gotchas to watch for before making changes53- the top gotchas to watch for before making changes

54End with the files I should read next.54End with the files I should read next.

55 55 

56[Open in the Codex app](codex://threads/new?prompt=Explain+how+the+request+flows+through+%3Cname+of+the+system+area%3E+in+the+codebase.%0A%0AInclude%3A%0A-+which+modules+own+what%0A-+where+data+is+validated%0A-+the+top+gotchas+to+watch+for+before+making+changes%0A%0AEnd+with+the+files+I+should+read+next. "Open in the Codex app")56Open in the Codex app

57 57 

58Explain how the request flows through <name of the system area> in the codebase.58Explain how the request flows through <name of the system area> in the codebase.

59Include:59Include:

1# Use case collections1# Use case collections

2 2 

3[Productivity & Collaboration Coordinate work across apps, data, and teams.](https://developers.openai.com/codex/use-cases/collections/productivity-and-collaboration) [Web development Build responsive UI from designs and prompts.](https://developers.openai.com/codex/use-cases/collections/web-development) [Game development Prototype loops, UI, and gameplay faster.](https://developers.openai.com/codex/use-cases/collections/game-development) [Native development Build and debug iOS and macOS apps.](https://developers.openai.com/codex/use-cases/collections/native-development) [Production systems Navigate, refactor, and review real codebases.](https://developers.openai.com/codex/use-cases/collections/production-systems) [Security Find, review, and remediate vulnerabilities in authorized code.](https://developers.openai.com/codex/use-cases/collections/security) [Life Sciences Use GPT-Rosalind to accelerate scientific research and drug discovery.](https://developers.openai.com/codex/use-cases/collections/life-sciences)3[Productivity & Collaboration Coordinate work across apps, data, and teams.](https://developers.openai.com/codex/use-cases/collections/productivity-and-collaboration) [Web development Build responsive UI from designs and prompts.](https://developers.openai.com/codex/use-cases/collections/web-development) [Game development Prototype loops, UI, and gameplay faster.](https://developers.openai.com/codex/use-cases/collections/game-development) [Native development Build and debug iOS and macOS apps.](https://developers.openai.com/codex/use-cases/collections/native-development) [Production systems Navigate, refactor, and review real codebases.](https://developers.openai.com/codex/use-cases/collections/production-systems) [Security Assess code, review changes, and remediate security findings.](https://developers.openai.com/codex/use-cases/collections/security) [Life Sciences Use GPT-Rosalind to accelerate scientific research and drug discovery.](https://developers.openai.com/codex/use-cases/collections/life-sciences)

4 4 

1# Security – Codex1# Security – Codex

2 2 

3Use the Codex Security plugin to assess code you have permission to review and3Codex can help engineering and security teams assess authorized code, gather

4turn evidence into bounded remediation work. Start with read-only detection,4evidence, and turn reviewed findings into focused fixes. These use cases cover

5review findings, and approve changes deliberately.5repository scans, change reviews, dependency incidents, and vulnerability

6remediation.

6 7 

7## Find, validate, and fix vulnerabilities8## Assess a repository

8 9 

9Scan an authorized repository or code change, validate reviewed findings, and10Use the Codex Security plugin to run a higher-recall scan across an authorized

10prepare focused fixes with evidence for approval.11repository, review plausible findings, and produce reports that support human

12triage.

11 13 

12[![](https://developers.openai.com/codex/use-cases/deep-security-scan.webp)14[![](https://developers.openai.com/codex/use-cases/deep-security-scan.webp)

13 15 

15 17 

16Use the Codex Security plugin to run a higher-recall, repository-wide audit that repeats...18Use the Codex Security plugin to run a higher-recall, repository-wide audit that repeats...

17 19 

18Engineering Quality](https://developers.openai.com/codex/use-cases/deep-security-scan)[![](https://developers.openai.com/codex/use-cases/scan-code-changes-for-security.webp)20Engineering Quality](https://developers.openai.com/codex/use-cases/deep-security-scan)

21 

22## Review changes before merge

23 

24Ask Codex to inspect a pull request, branch, commit, or working-tree diff for

25security regressions and return evidence tied to the changed code.

26 

27[![](https://developers.openai.com/codex/use-cases/scan-code-changes-for-security.webp)

19 28 

20### Scan code changes for security29### Scan code changes for security

21 30 

22Use the Codex Security plugin to examine a Git-backed change set, validate plausible...31Use the Codex Security plugin to examine a Git-backed change set, validate plausible...

23 32 

24Engineering Quality](https://developers.openai.com/codex/use-cases/scan-code-changes-for-security)[![](https://developers.openai.com/codex/use-cases/remediate-vulnerability-backlog.webp)33Engineering Quality](https://developers.openai.com/codex/use-cases/scan-code-changes-for-security)

34 

35## Audit dependency incidents

36 

37Turn a public package or supply chain advisory into a read-only repository

38audit covering manifests, lock files, scripts, workflows, and exposure paths.

39 

40[![](https://developers.openai.com/codex/use-cases/dependency-incident-audits.webp)

41 

42### Audit dependency incidents

43 

44Use Codex to turn a public package or supply chain advisory into a read-only audit, then...

45 

46Engineering Quality](https://developers.openai.com/codex/use-cases/dependency-incident-audits)

47 

48## Remediate reviewed findings

49 

50Bring Codex an approved finding from a security report, advisory, or ticket,

51then have it make a minimal fix and verify that the vulnerable behavior no

52longer reproduces.

53 

54[![](https://developers.openai.com/codex/use-cases/remediate-vulnerability-backlog.webp)

25 55 

26### Remediate a vulnerability backlog56### Remediate a vulnerability backlog

27 57 

53- draft a reply in the same thread53- draft a reply in the same thread

54Pause before anything irreversible, such as placing an order or confirming a booking.54Pause before anything irreversible, such as placing an order or confirming a booking.

55 55 

56[Open in the Codex app](codex://threads/new?prompt=%40Computer+Look+at+my+messages+from+%5Bperson%5D.%0A%0AThen%3A%0A-+understand+the+request%0A-+complete+the+task+across+the+apps+involved%0A-+draft+a+reply+in+the+same+thread%0A%0APause+before+anything+irreversible%2C+such+as+placing+an+order+or+confirming+a+booking. "Open in the Codex app")56Open in the Codex app

57 57 

58@Computer Look at my messages from [person].58@Computer Look at my messages from [person].

59Then:59Then:

63Use any assumptions included in the source files. If an assumption is missing, add a clearly labeled placeholder in the assumptions tab instead of hiding it in a formula. If full balance sheet or cash-flow statement inputs are missing, create the operating forecast needed for unlevered free cash flow and flag the missing statement inputs.63Use any assumptions included in the source files. If an assumption is missing, add a clearly labeled placeholder in the assumptions tab instead of hiding it in a formula. If full balance sheet or cash-flow statement inputs are missing, create the operating forecast needed for unlevered free cash flow and flag the missing statement inputs.

64Generate the result as an editable .xlsx workbook.64Generate the result as an editable .xlsx workbook.

65 65