o1-mini

Retired · Language, Reasoning · Primary source available

Lifecycle
Milestone or variant
Related model
Source event
AI Radar coverage
Only month or year known
5 events

2024

2025

2026

As of 10 October 2026

Released +1Lifecycle · 12 Sep 2024

DeprecatedLifecycle · 28 Apr 2025

RetiredLifecycle · 27 Oct 2025

Successor o3-miniLineage · 31 Jan 2025

All events, in order

12 September 2024 Lifecycle Released
12 September 2024 Source Announcement published
31 January 2025 Lineage Successor o3-mini
28 April 2025 Lifecycle Deprecated
27 October 2025 Lifecycle Retired

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