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