OpenAI API Models o1-mini End of Life
Support dates and upgrade guidance — rebuilt from live data.
OpenAI API Models o1-mini reached end of life on 27 Oct 2025. It no longer receives security fixes.
Support timeline
Official dates from the OpenAI API Models release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 12 Sept 2024 | 2y ago |
| Active support ended | 28 Apr 2025 | security fixes only after this |
| Deprecated support ended | 27 Oct 2025 | 11mo ago |
| Latest release | — | final |
Where to go from o1-mini
Recommended target: OpenAI API Models gpt-6-astra.
The newest actively supported branch is OpenAI API Models gpt-6-astra (latest release ).
Frequently asked questions
Is OpenAI API Models o1-mini still safe to use?
OpenAI API Models o1-mini reached end of life on 27 Oct 2025, 325 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download OpenAI API Models o1-mini?
Yes — the final release (o1-mini) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade OpenAI API Models o1-mini to?
Upgrade to OpenAI API Models gpt-6-astra, the newest actively supported branch.