Reference Source

o1-mini

For o1-mini, provider is OpenAI; lifecycle status is Retired; deprecation announced is April 28, 2025; shutdown / retirement date is 2025-10-27; recommended replacement is o4-mini, recorded from its source on 2026-08-12.

Provider
OpenAI verified
Model ID / API name
o1-mini verified
Lifecycle status
Retired
Deprecation announced
April 28, 2025
Shutdown / retirement date
2025-10-27 verified
Recommended replacement
o4-mini verified
Sourceplatform.openai.com
Verified
Review by
DatasetAI model deprecation and retirement dates by provider

What the source says

2025-10-27 | text-moderation-latest | omni-moderation | 2025-04-28: 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

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.