All model families · Shutdown calendar

o3 deprecation & shutdown dates

2 o3 versions tracked across 2 providers. Next shutdown: o3 (2025-04-16) on Azure OpenAI, Nov 19, 2026. Official replacements named: gpt-5.6-sol.

Last checked 2026-10-18 on the official deprecation pages.

Every o3 version on every provider we track, with the date and replacement each official deprecation page gives.

Model IDProviderStatusShutdownReplacement
o3 (2025-04-16)Azure OpenAIscheduledNov 19, 2026gpt-5.6-sol
o3-2025-04-16OpenAIscheduledDec 11, 2026gpt-5.6-sol

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Frequently asked questions

When is o3 being deprecated?

2 o3 versions tracked across 2 providers. Next shutdown: o3 (2025-04-16) on Azure OpenAI, Nov 19, 2026. Official replacements named: gpt-5.6-sol.

What replaces o3?

The providers name: gpt-5.6-sol.

When does o3 (2025-04-16) on Azure OpenAI shut down?

o3 (2025-04-16) on Azure OpenAI shuts down on Nov 19, 2026. Recommended replacement: gpt-5.6-sol.

When does o3-2025-04-16 on OpenAI shut down?

o3-2025-04-16 on OpenAI shuts down on Dec 11, 2026. Recommended replacement: gpt-5.6-sol.