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Dashboard Benchmarks Models ECI Data About

o4-mini

The latest smaller size o-series reasoning model from OpenAI, evaluated with high reasoning effort.

Release date
2025-04-16
Developer
OpenAI
Accessibility
Non-open weights
145
Epoch Capabilities Index
RANK:
90% CI: 142 - 147
ECI is a composite metric based on over 43 benchmarks. Learn more.
Reasoning
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