GPT 5.1 models now available in Vercel AI Gateway
By Steven Van ·
GPT-5.1 Instant and GPT-5.1 Thinking join Vercel's AI Gateway, usable via the AI SDK with no separate OpenAI account.
OpenAI's GPT-5.1 Instant and GPT-5.1 Thinking are now available through Vercel's AI Gateway, with no separate OpenAI account required.
- GPT-5.1 Instant offers improved instruction following, adaptive reasoning, and warmer, more conversational responses.
- GPT-5.1 Thinking builds on GPT-5 Thinking with dynamic performance tuning that prioritizes speed for simple tasks and deeper reasoning for complex ones.
To use them with the AI SDK, set the model to openai/gpt-5.1-instant or openai/gpt-5.1-thinking. The AI Gateway tracks usage and cost for these requests and includes built-in observability and Bring Your Own Key support.
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