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o4-mini
April 2025 o4-mini release with improved reasoning efficiency and balanced performance
Thinking Mode
Parameters
N/A
Context
200,000 tokens
Released
Apr 16, 2025
Leaderboards
Average Score combining domain-specific Autobench scores; Higher is better
Performance vs. Industry Average
Context Window
o4-mini has a smaller context window than average (406k tokens), with a context window of 200k tokens.