GPT 5.1 Codex models now available in Vercel AI Gateway
GPT-5.1 Codex is live. Vercel AI Gateway now routes to OpenAI's latest coding models—no separate auth required.

Why it matters
Vercel is lowering friction for developers to access OpenAI's latest coding models through unified routing. This is a platform move that simplifies multi-model access for agentic coding workflows, signaling how infra layers are becoming gateways to capability.
The key facts
8 to knowGPT-5.1 Codex and GPT-5.1 Codex mini available via Vercel AI Gateway
Models optimized for long-running agentic coding tasks with extended context maintenance
Unified API eliminates need for separate OpenAI provider accounts
AI Gateway includes observability, BYOK support, provider routing, and automatic retry logic
Published November 13, 2025
GPT-5.1 Codex and GPT-5.1 Codex mini now available via Vercel AI Gateway
AI Gateway provides unified API, observability, BYOK support, and intelligent provider routing
No separate OpenAI account required—single integration point for developers
Go to the source
Vercel Blogvercel.com
Publisher excerpt: You can now access OpenAI's latest Codex models, GPT-5.1 Codex and GPT-5.1 Codex mini with Vercel's and no other provider accounts required. These Codex models are optimized for long-running, agentic coding tasks and are able to maintain context and reasoning over longer sessions without…