OpenAI · Model retirement
o3-mini
Stops working (tomorrow)
On October 23, 2026, model o3-mini will be retired. Calls targeting this model after this date will fail. Any applications sending requests to model o3-mini are affected by this shutdown.
What to use instead of o3-mini
Move to gpt-5.6-sol, which is recommended by OpenAI.
Facts
- API
- OpenAI
api.openai.com - Model
o3-mini- Kind
- Model retirement
- Takes effect
- October 23, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
o3-mini on other APIs
- Azure OpenAI Deprecated, no date
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- ft-gpt-4.1-nano-2025-04-14 Stops working