Reference Source

OpenAI API Models gpt-5.1 — lifecycle date releaseDate is now 2025-11-12

For OpenAI API Models gpt-5.1, product is openai-api-models; field changed is releaseDate; new value is 2025-11-12; detected is 2026-09-08, verified against its source on 2026-09-08.

Product
openai-api-models verified
Product label
OpenAI API Models verified
Release cycle
gpt-5.1 verified
Field changed
releaseDate verified
New value
2025-11-12 verified
Detected
2026-09-08 verified
Sourceendoflife.date
Verified
Review by
DatasetSoftware end-of-life date changes — which dates moved and what they were before

What the source says

{"name":"gpt-5.1","codename":null,"label":"GPT-5.1","releaseDate":"2025-11-12"

endoflife.date, retrieved 2026-09-08

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.

This one changes, and we watch it.Software end-of-life date changes — which dates moved and what they were before is re-read on a schedule and every change is dated. Subscribe: Atom feed · JSON · what has changed so far.