All providers · 1 official entry

o1-mini deprecation date & shutdown status by provider

All listed entries have already been shut down.

ProviderStatusReplacementSource
OpenAI
o1-mini		o4-miniOfficial notice

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Per-provider details

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Questions

When will o1-mini be deprecated?

OpenAI: o1-mini was shut down on October 27, 2025. Dates come from each provider’s official deprecation page (data verified 2026-09-26).

Is o1-mini deprecated?

o1-mini has a deprecation or retirement entry from OpenAI. See the table on this page for the exact model IDs and dates.

What should I use instead of o1-mini?

The official replacements named by the providers are: o4-mini (OpenAI, for o1-mini).

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