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Dashboard Benchmarks Models ECI Data About

o3-mini

A smaller version of OpenAI’s o3 reasoning model, evaluated with high reasoning effort.

Release date
2025-01-31
Developer
OpenAI
Accessibility
Non-open weights
141
Epoch Capabilities Index
RANK:
90% CI: 138 - 143
ECI is a composite metric based on over 43 benchmarks. Learn more.
Reasoning
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