OpenAI's top-tier model ranking ECI 145. competitive on reasoning and coding tasks. excellent intelligence. Released Apr 2025. API access.
Metrics
Performance
ECI Score144.994
Epoch Capabilities Index score
ECI Normalized92
Normalized ECI score (0-100)
Training Computenull
Total compute used during training
Info
ProviderOpenAI
Organization that created the model
CountryUSA
Model development country
Model AccessibilityAPI access
Access method (API, download, etc.)
Open WeightsNo
Model weights publicly available
Epoch Model IDo4-mini-2025-04-16_high
Epoch AI benchmark identifier
Other
Release DateApr 16, 2025
Score Breakdown
code
20%78
Code generation, understanding, and debugging
math
20%83
Mathematical reasoning and problem solving
reasoning
15%87
Multi-step logical reasoning
intelligence
30%92
Overall reasoning and task completion ability
instruction following
83
Compatibility(4)
Sources(1)
Developed by
OpenAIBenchmark Performance
Compare ModelsEpoch Capabilities Index
145.0/ 155
| Dimension | Score |
|---|---|
| Intelligence | 92.0 |
| Reasoning | 87.0 |
| Math | 83.0 |
| Code | 78.0 |
| Instruction Following | 83.0 |
| Overall | 92 |
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Data: Epoch AI (CC-BY 4.0)