Reference Source

OpenAI API Models gpt-5.1-codex — lifecycle date eolFrom is now 2026-07-23

For OpenAI API Models gpt-5.1-codex, product is openai-api-models; field changed is eolFrom; new value is 2026-07-23; detected is 2026-09-08, recorded from its source on 2026-09-08; source re-checked 2026-10-26.

Product
openai-api-models
Product label
OpenAI API Models
Release cycle
gpt-5.1-codex verified
Field changed
eolFrom verified
New value
2026-07-23 verified
Detected
2026-09-08 our reading
Sourceendoflife.date
Verified
Review by
DatasetSoftware end-of-life date changes — which dates moved and what they were before

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

{"name":"gpt-5.1-codex","codename":null,"label":"GPT-5.1-Codex","releaseDate":"2025-11-13","isLts":false,"ltsFrom":null,"isEoas":true,"eoasFrom":"2026-04-22","isEol":true,"eolFrom":"2026-07-23"

— 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.