# o1-mini — Superseded and deprecated identifier mappings

For o1-mini, status is Deprecated; successor is o4-mini; shutdown date is 2025-10-27, recorded from its source on 2026-08-04.

- **Identifier:** o1-mini
- **Status:** Deprecated _(unconfirmed — we could not tie this to the quote below)_
- **Successor:** o4-mini
- **Shutdown date:** 2025-10-27

## What the source says

> 2025-10-27 | o1-mini | o4-mini |

## Source

- https://developers.openai.com/api/docs/deprecations

Last verified: 2026-08-04. Review by: 2027-01-31.
Part of [Superseded and deprecated identifier mappings](https://referencesource.org/superseded-standards-mappings/).