o1-mini

o1-mini (OpenAI) was shut down on Oct 27, 2025; calls to it fail. OpenAI recommends o4-mini instead.

Provider

OpenAI

Shutdown

Oct 27, 2025 (already shut down)

Announced

Apr 28, 2025

Replace with

o4-mini

Also written as

o1-mini-2024-09-12

Source: https://developers.openai.com/api/docs/deprecations · report a wrong date