GPT 5.1 models now available in Vercel AI Gateway
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.

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.
The key facts
6 to knowGPT-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
Go to the source
Vercel Blogvercel.com
Publisher excerpt: 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…