All model families · Shutdown calendar
o1 deprecation & shutdown dates
3 o1 versions tracked across 2 providers. Next shutdown: o1-2024-12-17 on OpenAI, Oct 23, 2026. Official replacements named: gpt-5.6-sol, o3.
Last checked 2026-10-18 on the official deprecation pages.
Every o1 version on every provider we track, with the date and replacement each official deprecation page gives.
| Model ID | Provider | Status | Shutdown | Replacement |
|---|---|---|---|---|
o1-preview | OpenAI | retired | Jul 28, 2025 | o3 |
o1-2024-12-17 | OpenAI | scheduled | Oct 23, 2026 | gpt-5.6-sol |
o1 (2024-12-17) | Azure OpenAI | scheduled | Nov 19, 2026 | gpt-5.6-sol |
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Frequently asked questions
When is o1 being deprecated?
3 o1 versions tracked across 2 providers. Next shutdown: o1-2024-12-17 on OpenAI, Oct 23, 2026. Official replacements named: gpt-5.6-sol, o3.
What replaces o1?
The providers name: gpt-5.6-sol, o3.
When does o1-preview on OpenAI shut down?
o1-preview on OpenAI was shut down on Jul 28, 2025. Recommended replacement: o3.
When does o1-2024-12-17 on OpenAI shut down?
o1-2024-12-17 on OpenAI shuts down on Oct 23, 2026. Recommended replacement: gpt-5.6-sol.
When does o1 (2024-12-17) on Azure OpenAI shut down?
o1 (2024-12-17) on Azure OpenAI shuts down on Nov 19, 2026. Recommended replacement: gpt-5.6-sol.