o1-preview
For o1-preview, provider is OpenAI; lifecycle status is Retired; deprecation announced is April 28, 2025; shutdown / retirement date is 2025-07-28; recommended replacement is o3, recorded from its source on 2026-08-12.
- Provider
- OpenAI verified
- Model ID / API name
- o1-preview verified
- Lifecycle status
- Retired
- Deprecation announced
- April 28, 2025
- Shutdown / retirement date
- 2025-07-28 verified
- Recommended replacement
- o3 verified
What the source says
o1-preview and o1-mini 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. Shutdown date | Model / system | Recommended replacement | 2025-07-28 | o1-preview | o3 | 2025-10-27 | o1-mini | o4-mini | 2025-04-14: GPT-4.5-preview On April 14th, 2025, we notified developers that the gpt-4.5-preview model is deprecated and will be removed from the API in the coming months. Shutdown date | Model / system | Recommended replacement | 2025-07-14 | gpt-4.5-preview | gpt-4.1 | 2024-10-02: Assistants API beta v1 In <https://developers.openai.com/api/docs/assistants/whats-new>
— platform.openai.com, retrieved 2026-08-12
Source
- platform.openai.comhttps://platform.openai.com/docs/deprecations