o3-mini
OpenAI
OpenAI's deprecated text reasoning API model; o3-mini and its 2025-01-31 snapshot are scheduled to shut down on 2026-10-23.
- Rating
- 4.6★
- Pricing
- Pay-as-you-go
Editorial verdict
As of 2026-10-15, o3-mini is deprecated with shutdown scheduled for 2026-10-23. Prioritize migration of existing integrations and use a supported model for new projects.
Strengths
- Documented structured-output and function interfaces
- Dated snapshot and shutdown schedule are explicit
Key features
- Text input and output
- 200K context; up to 100K output tokens
- Function calling and structured outputs
- No image, audio or video input
Best for
- Inventorying an existing o3-mini integration
- Preparing schema and tool cases for a replacement
- Interpreting earlier token-cost records