All providers · 1 official entry

o1-preview deprecation date & shutdown status by provider

All listed entries have already been shut down.

Provider	Status	Replacement	Source
OpenAI `o1-preview`	Already shut down (July 28, 2025)	`o3`	Official notice

Per-provider details

o1-preview on OpenAI →

Related models

Questions

When will o1-preview be deprecated?

OpenAI: o1-preview was shut down on July 28, 2025. Dates come from each provider’s official deprecation page (data verified 2026-09-26).

Is o1-preview deprecated?

o1-preview 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-preview?

The official replacements named by the providers are: o3 (OpenAI, for o1-preview).

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