AI model

o1-pro retired on October 23, 2026

Date
(UTC)
Replacement
gpt-5.6-sol (reasoning.mode: pro)
Provider
OpenAI
Last checked

What changes

Deprecated on 2026-04-22. Recommended replacement: gpt-5.6-sol (reasoning.mode: pro). Announced on 2026-04-22.

Deprecated
Stops working

Source

developers.openai.com

October 23, 2026 | o1-pro-2025-03-19 | o1-pro | gpt-5.6-sol (reasoning.mode: pro)

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