o3-mini-2025-01-31
For o3-mini-2025-01-31, provider is OpenAI; lifecycle status is Deprecated; deprecation announced is April 22, 2026; shutdown / retirement date is October 23, 2026; recommended replacement is gpt-5.6-sol, recorded from its source on 2026-08-12.
- Provider
- OpenAI verified
- Model ID / API name
- o3-mini-2025-01-31 verified
- Lifecycle status
- Deprecated verified
- Deprecation announced
- April 22, 2026
- Shutdown / retirement date
- October 23, 2026 verified
- Recommended replacement
- gpt-5.6-sol verified
What the source says
Inference on fine-tuned models will be disabled only when the underlying base model is deprecated. | 2026-04-22: Legacy GPT model snapshots To improve reliability and make it easier for developers to choose the right models, we are deprecating a set of older OpenAI models. Access to these models will be shut down on the dates below. Shutdown date | Model snapshot | Substitute model | October 23, 2026 | gpt-3.5-turbo-0125 | gpt-3.5-turbo , gpt-3.5-turbo-completions | gpt-5.6-terra | October 23, 2026 | gpt-4-0613 | gpt-4 , gpt-4-0613-completions , gpt-4-completions | gpt-5.6-sol | October 23, 2026 | gpt-4-1106-preview | gpt-5.6-sol | October 23, 2026 | gpt-4-turbo | gpt-4-turbo-2024-04-09 , gpt-4-turbo-completions | gpt-5.6-sol | October 23, 2026 | gpt-4.1-nano | gpt-4.1-nano-2025-04-14 | gpt-5.6-luna | October 23, 2026 | gpt-4o-2024-05-13 | gpt-5.6-sol | October 23, 2026 | gpt-image-1 | gpt-image-2 | October 23, 2026 | o1-2024-12-17 | o1 | gpt-5.6-sol | October 23, 2026 | o1-pro-2025-03-19 | o1-pro | gpt-5.6-sol ( reasoning.mode: pro ) | October 23, 2026 | o3-mini-2025-01-31 | o3-mini | gpt-5.6-sol |
— platform.openai.com, retrieved 2026-08-12
Source
- platform.openai.comhttps://platform.openai.com/docs/deprecations