Introducing GPT-5.1 for developers

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OpenAI Blog · 2025-11-13 00:00 UTC AI

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GPT-5.1 is now available via the API. It offers faster adaptive reasoning, extended prompt caching, and improved coding performance. New apply_patch and shell tools are added.

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Why should I care?

Because GPT-5.1 enhances coding productivity and introduces new tools that align with your focus on AI models and generative AI.

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GPT-5.1 is now available in the API, bringing faster adaptive reasoning, extended prompt caching, improved coding performance, and new apply_patch and shell tools.


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