When is o1-mini retired?
retired
o1-mini on OpenAI was retired on Oct 27, 2025.
Replacement: o4-mini
Warning: the replacement was retired on Oct 23, 2026. o4-mini . The deepest model we track in the chain is o4-mini, which is retired.
| Provider (API) | OpenAI |
|---|---|
| Model ID | o1-mini |
| Deprecation announced | Apr 28, 2025 |
| Shutdown date | Oct 27, 2025 |
| Section on source page | 2025-04-28: o1-preview and o1-mini |
| Source | https://developers.openai.com/api/docs/deprecations |
| Last checked | 2026-11-06T05:52:31+00:00 |
Last checked 2026-11-06 · Source · Markdown · JSON
Migration
- OpenAI lists
o4-minias the recommended replacement foro1-mini(official source). - Read the provider's official notes on the source page before switching model IDs.
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