GPT 5.1 Codex
GPT 5.1 Codex is a code-focused variant that maps specs to working code, writes diffs and tests, and understands repositories with long context, tool calling, and strict JSON or patch output.
- Type
- Coding
- Weights
- Closed
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3
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About OpenAI
1
OpenAI develops and deploys general-purpose artificial intelligence models, products, and developer platforms.
Tools using GPT 5.1 Codex
23