ReleasedJan 31, 2025 ·
o3-mini is out
OpenAI shipped o3-mini.
OpenAIOpenAI released o3-mini on Jan 31, 2025.
It follows o1, 57 days earlier. Releases in the OpenAI o-series line usually land about 75 days apart.
o3 and o4-mini replaced it on Apr 16, 2025.
Released
Jan 31, 2025
Line
OpenAI o-series
Previous
o1 (Dec 5, 2024)
Confirmed by
Historical record
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