GPT-5.2 is OpenAI's best model for coding and agentic tasks across industries.
gpt-5-codex
Common Name: GPT-5 Codex
GPT-5 Codex delivers the flagship GPT-5 experience through the dedicated Codex API surface, supporting the same multimodal capabilities with a specialized routing endpoint.
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Similar Models
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GPT-5.1-Codex is a version of GPT-5 optimized for agentic coding tasks in Codex or similar environments. It's available in the Responses API only and the underlying model snapshot will be regularly updated. If you want to learn more about prompting GPT-5-Codex, refer to our dedicated guide
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