o1-mini — Retired — shutdown 2025-10-27
For o1-mini, provider is OpenAI; lifecycle status is Retired; deprecation announced is April 28th, 2025; shutdown / retirement date is 2025-10-27; recommended replacement is o4-mini, recorded from its source on 2026-08-28.
- Provider
- OpenAI our reading
- Model ID / API name
- o1-mini verified
- Lifecycle status
- Retired
- Deprecation announced
- April 28th, 2025 verified
- Shutdown / retirement date
- 2025-10-27 verified
- Recommended replacement
- o4-mini verified
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
| 2025-10-27 | `o1-mini` | `o4-mini` |
— developers.openai.com, retrieved 2026-08-28
Where each value comes from
The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.
Deprecation announced
On April 28th, 2025, we notified developers using `o1-preview` and `o1-mini` of their deprecations and removal from the API in three months and six months respectively.
— all from developers.openai.com, retrieved 2026-08-28
Sources
- developers.openai.comhttps://developers.openai.com/api/docs/deprecations.md
- platform.openai.comhttps://platform.openai.com/docs/deprecations
This one changes, and we watch it.AI model deprecation and retirement dates by provider is re-read on a schedule and every change is dated. Subscribe: Atom feed · JSON · what has changed so far.