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OpenAI

o3

ReasoningClosed weightsModels.dev
Intelligence
20.2
Rank 246 of 744 measured models
Output speed
112 t/s
Rank 153 of 403 measured models
Price/1M
$3.50
Rank 520 of 659 measured models
Context window
200K
Rank 618 of 1199 measured models

o3 scores 20.2 on the Artificial Analysis Intelligence Index, ranking 246th of 744 measured models. The closest models on this index are GPT-5.1 Codex mini (High) (20.4), o3 (batch) (20.2), and Ling 3.0 Flash (20.1). At $3.50 per million tokens (3:1 input/output blended price), it is more expensive than GPT-5.1 Codex mini (High) ($0.688) and Ling 3.0 Flash ($0.111). With an output speed of 112 t/s, it is slower than GPT-5.1 Codex mini (High) (173 t/s) and Ling 3.0 Flash (295 t/s).

Artificial Analysis Indices
Intelligence20.2
Rank 246 of 744 measured models
Math88.3
Rank 35 of 270 measured models
Standard Benchmarks
MMLU Pro85.3%
Rank 29 of 349 measured models
GPQA Diamond82.7%
Rank 178 of 619 measured models
HLE20.1%
Rank 218 of 664 measured models
LiveCodeBench80.8%
Rank 26 of 343 measured models
MATH-50099.2%
Rank 2 of 202 measured models
AIME 202490.3%
Rank 8 of 194 measured models
AIME 202588.3%
Rank 35 of 270 measured models
IFBench71.4%
Rank 57 of 450 measured models
Additional benchmarks5
Design Arena · Codecategories51.9%
Design Arena · Dataviz48.1%
Design Arena · Gamedev56.9%
Design Arena · Uicomponent53.3%
Design Arena · Website53.8%
Models at a similar level
The closest models on the Intelligence Index, one configuration per family.

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