All model families · Shutdown calendar
o4 Mini deprecation & shutdown dates
2 o4 Mini versions tracked across 2 providers. Next shutdown: o4-mini-2025-04-16 on OpenAI, Oct 23, 2026. Official replacements named: gpt-5.6-terra.
Last checked 2026-10-18 on the official deprecation pages.
Every o4 Mini version on every provider we track, with the date and replacement each official deprecation page gives.
| Model ID | Provider | Status | Shutdown | Replacement |
|---|---|---|---|---|
o4-mini-2025-04-16 | OpenAI | scheduled | Oct 23, 2026 | gpt-5.6-terra |
o4-mini (2025-04-16) | Azure OpenAI | scheduled | Nov 19, 2026 | gpt-5.6-terra |
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Frequently asked questions
When is o4 Mini being deprecated?
2 o4 Mini versions tracked across 2 providers. Next shutdown: o4-mini-2025-04-16 on OpenAI, Oct 23, 2026. Official replacements named: gpt-5.6-terra.
What replaces o4 Mini?
The providers name: gpt-5.6-terra.
When does o4-mini-2025-04-16 on OpenAI shut down?
o4-mini-2025-04-16 on OpenAI shuts down on Oct 23, 2026. Recommended replacement: gpt-5.6-terra.
When does o4-mini (2025-04-16) on Azure OpenAI shut down?
o4-mini (2025-04-16) on Azure OpenAI shuts down on Nov 19, 2026. Recommended replacement: gpt-5.6-terra.