Codex use cases
Workflow Knowledge Work Analysis
Collections
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Production systems
Use Codex to navigate real codebases, make controlled changes, codify repeatable work, and keep production quality high.](https://developers.openai.com/codex/use-cases/collections/production-systems)[
Productivity and collaboration
Work with Codex to analyze data and complex source material, combine multiple apps and services, and turn insights into action.](https://developers.openai.com/codex/use-cases/collections/productivity-and-collaboration)[
Web development
Turn design inputs into responsive UI, and iterate on the frontend with scoped changes and fast reviews.](https://developers.openai.com/codex/use-cases/collections/web-development)[
Native development
Build for iOS and macOS, refactor native UI, expose app actions, and verify your work with the right loop.](https://developers.openai.com/codex/use-cases/collections/native-development)[
Game development
Develop games with Codex, from the first playable loop to production quality.](https://developers.openai.com/codex/use-cases/collections/game-development)
Featured
Start with the most common Codex workflows.
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Codex code review for GitHub pull requests
Catch regressions and potential issues before human review.
Integrations Workflow](https://developers.openai.com/codex/use-cases/github-code-reviews)[
Build responsive front-end designs
Turn screenshots and visual references into responsive UI with visual checks.
Front-end Design](https://developers.openai.com/codex/use-cases/frontend-designs)
All use cases
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Add evals to your AI application
Use Codex to turn expected behavior into a Promptfoo eval suite.
Evaluation Quality](https://developers.openai.com/codex/use-cases/ai-app-evals)
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Add iOS app intents
Use Codex to make your app's actions and content available to Shortcuts, Siri, Spotlight...
iOS Code](https://developers.openai.com/codex/use-cases/ios-app-intents)
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Add Mac telemetry
Use Codex to instrument one Mac feature with Logger, run the app, and verify the action from...
macOS Code](https://developers.openai.com/codex/use-cases/macos-telemetry-logs)
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Adopt liquid glass
Use Codex to migrate an existing SwiftUI app to Liquid Glass with iOS 26 APIs and Xcode 26.
iOS Code](https://developers.openai.com/codex/use-cases/ios-liquid-glass)
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Analyze datasets and ship reports
Turn messy data into clear analysis and visualizations.
Data Analysis](https://developers.openai.com/codex/use-cases/datasets-and-reports)
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Automate bug triage
Turn daily bug reports into a prioritized list, then automate the sweep.
Automation Quality](https://developers.openai.com/codex/use-cases/automation-bug-triage)
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Bring your app to ChatGPT
Turn your use cases into focused apps for ChatGPT.
Integrations Code](https://developers.openai.com/codex/use-cases/chatgpt-apps)
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Build a Mac app shell
Use Codex to build a Mac-native SwiftUI app shell with a sidebar, detail pane, inspector...
macOS Code](https://developers.openai.com/codex/use-cases/macos-sidebar-detail-inspector)
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Build for iOS
Use Codex to scaffold, build, and debug SwiftUI apps for iPhone and iPad.
iOS Code](https://developers.openai.com/codex/use-cases/native-ios-apps)
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Build for macOS
Use Codex to scaffold, build, and debug native Mac apps with SwiftUI.
macOS Code](https://developers.openai.com/codex/use-cases/native-macos-apps)
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Build React Native apps with Expo
Go from a mobile-app idea to a working Expo app with the dedicated plugin.
Mobile Engineering](https://developers.openai.com/codex/use-cases/react-native-expo-apps)
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Build responsive front-end designs
Turn screenshots and visual references into responsive UI with visual checks.
Front-end Design](https://developers.openai.com/codex/use-cases/frontend-designs)
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Clean and prepare messy data
Process tabular data without affecting the original.
Data Knowledge Work](https://developers.openai.com/codex/use-cases/clean-messy-data)
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Codex code review for GitHub pull requests
Catch regressions and potential issues before human review.
Integrations Workflow](https://developers.openai.com/codex/use-cases/github-code-reviews)
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Complete tasks from messages
Turn iMessage threads into completed work across the apps involved.
Knowledge Work Integrations](https://developers.openai.com/codex/use-cases/complete-tasks-from-messages)
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Coordinate new-hire onboarding
Prepare onboarding trackers, team summaries, and welcome-space drafts.
Integrations Data](https://developers.openai.com/codex/use-cases/new-hire-onboarding)
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Create a CLI Codex can use
Give Codex a composable command for an API, log source, export, or team script.
Engineering Code](https://developers.openai.com/codex/use-cases/agent-friendly-clis)
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Create browser-based games
Define a game plan and let Codex build and test it in a live browser.
Engineering Code](https://developers.openai.com/codex/use-cases/browser-games)
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Debug in iOS simulator
Use Codex and XcodeBuildMCP to drive your app in iOS Simulator, capture evidence, and...
iOS Code](https://developers.openai.com/codex/use-cases/ios-simulator-bug-debugging)
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Deploy an app or website
Build or update a web app, deploy a preview, and get a live URL.
Front-end Integrations](https://developers.openai.com/codex/use-cases/deploy-app-or-website)
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Draft PRDs from internal context
Create product requirements documents from Linear, Slack, source documents, and meeting notes.
Integrations Knowledge Work](https://developers.openai.com/codex/use-cases/draft-prds-from-sources)
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Follow a goal
Give Codex a durable objective for long-running work.
Engineering Automation](https://developers.openai.com/codex/use-cases/follow-goals)
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Forecast cash flow
Find the liquidity low point in an editable forecast workbook.
Data Knowledge Work](https://developers.openai.com/codex/use-cases/cash-flow-forecast)
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Generate slide decks
Manipulate pptx files and use image generation to automate slide creation.
Data Integrations](https://developers.openai.com/codex/use-cases/generate-slide-decks)
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Get from idea to proof of concept
Explore the concept visually with ImageGen and build a first version of your idea.
Front-end Engineering](https://developers.openai.com/codex/use-cases/idea-to-proof-of-concept)
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Iterate on difficult problems
Use Codex as a scored improvement loop to solve hard tasks.
Engineering Analysis](https://developers.openai.com/codex/use-cases/iterate-on-difficult-problems)
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Keep documentation up-to-date
Use code and other sources to automate docs updates.
Engineering Code](https://developers.openai.com/codex/use-cases/update-documentation)
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Kick off coding tasks from Slack
Turn Slack threads into scoped cloud tasks.
Integrations Workflow](https://developers.openai.com/codex/use-cases/slack-coding-tasks)
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Learn a new concept
Turn dense source material into a clear, reviewable learning report.
Knowledge Work Data](https://developers.openai.com/codex/use-cases/learn-a-new-concept)
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Make granular UI changes
Use Codex-Spark for fast, focused UI iteration in an existing app.
Front-end Design](https://developers.openai.com/codex/use-cases/make-granular-ui-changes)
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Manage your inbox
Have Codex find the emails that matter and write the replies in your voice.
Automation Integrations](https://developers.openai.com/codex/use-cases/manage-your-inbox)
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Model a DCF valuation
Turn financial inputs into an editable valuation workbook.
Data Knowledge Work](https://developers.openai.com/codex/use-cases/dcf-model)
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Prioritize Slack action items
Turn Slack threads and DMs into a ranked queue of next steps.
Automation Integrations](https://developers.openai.com/codex/use-cases/slack-action-triage)
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QA your app with Computer Use
Click through real product flows and log what breaks.
Automation Quality](https://developers.openai.com/codex/use-cases/qa-your-app-with-computer-use)
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Query tabular data
Ask a question about a CSV, spreadsheet, export, or data folder.
Data Knowledge Work](https://developers.openai.com/codex/use-cases/analyze-data-export)
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Refactor SwiftUI screens
Use Codex to split an oversized SwiftUI screen into small subviews without changing behavior...
iOS Code](https://developers.openai.com/codex/use-cases/ios-swiftui-view-refactor)
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Refactor your codebase
Remove dead code and modernize legacy patterns without changing behavior.
Engineering Code](https://developers.openai.com/codex/use-cases/refactor-your-codebase)
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Review budget vs. actuals
Turn plan, actuals, and close notes into a variance workbook.
Data Knowledge Work](https://developers.openai.com/codex/use-cases/budget-vs-actuals-review)
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Run code migrations
Migrate legacy stacks in controlled checkpoints.
Engineering Code](https://developers.openai.com/codex/use-cases/code-migrations)
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Run verified operations
Run repeatable workflows and verify the result.
Automation Integrations](https://developers.openai.com/codex/use-cases/verified-operations-workflows)
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Save workflows as skills
Create a skill Codex can keep on hand for work you repeat.
Engineering Workflow](https://developers.openai.com/codex/use-cases/reusable-codex-skills)
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Set up a teammate
Give Codex a durable view of your work so it can notice what changed.
Automation Integrations](https://developers.openai.com/codex/use-cases/proactive-teammate)
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Turn feedback into actions
Synthesize feedback from multiple sources into a reviewable artifact.
Data Integrations](https://developers.openai.com/codex/use-cases/feedback-synthesis)
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Turn Figma designs into code
Turn Figma selections into polished UI with structured design context and visual checks.
Front-end Design](https://developers.openai.com/codex/use-cases/figma-designs-to-code)
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Turn user stories into UI mocks
Convert product feedback, issue threads, and design context into mockups your team can react...
Integrations Knowledge Work](https://developers.openai.com/codex/use-cases/user-stories-to-ui-mocks)
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Understand large codebases
Trace request flows, map unfamiliar modules, and find the right files fast.
Engineering Analysis](https://developers.openai.com/codex/use-cases/codebase-onboarding)
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Upgrade your API integration
Upgrade your app to the latest OpenAI API models.
Evaluation Engineering](https://developers.openai.com/codex/use-cases/api-integration-migrations)
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Use your computer with Codex
Let Codex click, type, and navigate apps on your Mac.
Knowledge Work Workflow](https://developers.openai.com/codex/use-cases/use-your-computer-with-codex)
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