models.md Codex Docs, 2026-04-02 18:23 UTC → 2026-04-20 06:53 UTC

107 107 

108## Alternative models108## Alternative models

109 109 

110![gpt-5.2-codex](/images/codex/gpt-5.2-codex.png)

111 

112gpt-5.2-codex

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114Advanced coding model for real-world engineering. Succeeded by GPT-5.3-Codex.

115 

116codex -m gpt-5.2-codex

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118Copy command

119 

120Show details

121 

122![gpt-5.2](/images/api/models/gpt-5.2.jpg)110![gpt-5.2](/images/api/models/gpt-5.2.jpg)

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124gpt-5.2112gpt-5.2

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126Previous general-purpose model for coding and agentic tasks across industries and domains. Succeeded by GPT-5.4.114Previous general-purpose model for coding and agentic tasks, including hard debugging tasks that benefit from deeper deliberation.

127 115 

128codex -m gpt-5.2116codex -m gpt-5.2

129 117 

131 119 

132Show details120Show details

133 121 

134![gpt-5.1-codex-max](/images/api/models/gpt-5.1-codex-max.jpg)

135 

136gpt-5.1-codex-max

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138Optimized for long-horizon, agentic coding tasks in Codex.

139 

140codex -m gpt-5.1-codex-max

141 

142Copy command

143 

144Show details

145 

146![gpt-5.1](/images/api/models/gpt-5.1.jpg)

147 

148gpt-5.1

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150Great for coding and agentic tasks across domains. Succeeded by GPT-5.2.

151 

152codex -m gpt-5.1

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154Copy command

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156Show details

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158![gpt-5.1-codex](/images/api/models/gpt-5.1-codex.jpg)

159 

160gpt-5.1-codex

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162Optimized for long-running, agentic coding tasks in Codex. Succeeded by GPT-5.1-Codex-Max.

163 

164codex -m gpt-5.1-codex

165 

166Copy command

167 

168Show details

169 

170![gpt-5-codex](/images/api/models/gpt-5-codex.jpg)

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172gpt-5-codex

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174Version of GPT-5 tuned for long-running, agentic coding tasks. Succeeded by GPT-5.1-Codex.

175 

176codex -m gpt-5-codex

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178Copy command

179 

180Show details

181 

182![gpt-5-codex-mini](/images/api/models/gpt-5-codex.jpg)

183 

184gpt-5-codex-mini

185 

186Smaller, more cost-effective version of GPT-5-Codex. Succeeded by GPT-5.1-Codex-Mini.

187 

188codex -m gpt-5-codex

189 

190Copy command

191 

192Show details

193 

194![gpt-5](/images/api/models/gpt-5.jpg)

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196gpt-5

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198Reasoning model for coding and agentic tasks across domains. Succeeded by GPT-5.1.

199 

200codex -m gpt-5

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202Copy command

203 

204Show details

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206## Other models122## Other models

207 123 

208Codex works best with the models listed above.124When you sign in with ChatGPT, Codex works best with the models listed above.

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210You 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.126You 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.

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