# Migrating off o1-mini

**OpenAI** retires **o1-mini** on **2025-10-27**.
Documented replacement: **o4-mini**.

Source: https://developers.openai.com/api/docs/deprecations
Source last checked: 2026-09-15.
Calendar as of 2026-09-15 UTC.

| Model | Provider | Retires | Replacement |
|---|---|---|---|
| o1-mini | OpenAI | 2025-10-27 | o4-mini |

Also retiring on 2025-10-27:
- text-moderation-007 (OpenAI) → omni-moderation
- text-moderation-stable (OpenAI) → omni-moderation
- text-moderation-latest (OpenAI) → omni-moderation

Source: https://llmlatency.dev/migrate/openai-o1-mini