ToolsNovember 13, 2025via Vercel Blog
GPT 5.1 models now available in Vercel AI Gateway
Why it matters
Vercel's unified API gateway is lowering friction for developers to adopt OpenAI's latest models at scale, with built-in cost tracking, failover, and observability. This is infrastructure-as-abstraction for the AI-first stack.
Key signals
- GPT-5.1 Instant and GPT-5.1 Thinking now available via Vercel AI Gateway
- No additional provider accounts required for access
- GPT-5.1 Instant features: improved instruction following, adaptive reasoning, conversational tone
- GPT-5.1 Thinking features: dynamic performance tuning, prioritizes speed for simple tasks, deeper reasoning for complex tasks
- AI Gateway includes observability, BYOK support, and intelligent provider routing with automatic retries
- Model leaderboard and playground included
The hook
OpenAI's GPT-5.1 models just went live in production. Vercel AI Gateway now routes both Instant and Thinking variants—no separate provider account needed.
You can now access OpenAI's latest models, GPT-5.1 Instant and GPT-5.1 Thinking, using Vercel's with no other provider accounts required.AI Gateway
To use these models with the , set the model to or :AI SDKopenai/gpt-5.1-instantopenai/gpt-5.1-thinking
AI Gateway provides a unified API for calling …