GPT-5.1 for developers
GPT-5.1 is available on all paid API tiers with pricing and rate limits the same as GPT-5, plus gpt-5.1-codex and gpt-5.1-codex-mini.
The Deploy Log | Models | Free, no signup
GPT-5.1
3 rows in The Deploy Log from 2 companies name GPT-5.1: OpenAI and Vercel. They are listed from to , each by its publisher's date or, where the record carries none, its edition's date. Newest first, each linking the publisher's own page.
| Company | First row dated | Days after the first |
|---|---|---|
| OpenAI | First | |
| Vercel | No date |
GPT-5.1 on AI Gateway
Vercel AI Gateway now serves GPT-5.1 Instant and GPT-5.1 Thinking with no other provider accounts required.
GPT-5.1
GPT-5.1 Instant and Thinking roll out to all users, with warmer tone, adaptive reasoning, and faster simple tasks. API release includes no-reasoning mode, 24-hour prompt caching, and new apply_patch and shell tools.
One line every time AI actually ships, around the clock, free on Threads and Bluesky. Every one is in The Deploy Log with its source.