All model families · Shutdown calendar
o1 Pro deprecation & shutdown dates
2 o1 Pro versions tracked across 2 providers. Next shutdown: o1-pro-2025-03-19 on OpenAI, Oct 23, 2026. Official replacements named: gpt-5.6-sol, gpt-5.6-sol ( reasoning.mode: pro ).
Last checked 2026-10-18 on the official deprecation pages.
Every o1 Pro version on every provider we track, with the date and replacement each official deprecation page gives.
| Model ID | Provider | Status | Shutdown | Replacement |
|---|---|---|---|---|
o1-pro-2025-03-19 | OpenAI | scheduled | Oct 23, 2026 | gpt-5.6-sol ( reasoning.mode: pro ) |
o1-pro (2025-03-19) | Azure OpenAI | scheduled | Nov 19, 2026 | gpt-5.6-sol |
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Frequently asked questions
When is o1 Pro being deprecated?
2 o1 Pro versions tracked across 2 providers. Next shutdown: o1-pro-2025-03-19 on OpenAI, Oct 23, 2026. Official replacements named: gpt-5.6-sol, gpt-5.6-sol ( reasoning.mode: pro ).
What replaces o1 Pro?
The providers name: gpt-5.6-sol, gpt-5.6-sol ( reasoning.mode: pro ).
When does o1-pro-2025-03-19 on OpenAI shut down?
o1-pro-2025-03-19 on OpenAI shuts down on Oct 23, 2026. Recommended replacement: gpt-5.6-sol ( reasoning.mode: pro ).
When does o1-pro (2025-03-19) on Azure OpenAI shut down?
o1-pro (2025-03-19) on Azure OpenAI shuts down on Nov 19, 2026. Recommended replacement: gpt-5.6-sol.