TAU2
Measured May 29, 2026Source
Score
0.81
Models15 0 
o3
OpenAIOpenAIUnited States
OpenAI o3 is the latest model in the o-series, designed for advanced reasoning tasks. It excels at solving complex problems in mathematics, science, and coding by utilizing an extended chain-of-thought process. As a successor to o1, it represents a significant step forward in AI's ability to perform deep, deliberate thinking.
ReasoningCoding
Input / 1M tokens
$2.00Output / 1M tokens
$8.00Output tokens/s
121.01First-token seconds
10.12sSupported plans
0Benchmark history
Evaluations
Terminalbench Hard
Measured May 29, 2026Source
Score
0.37
Lcr
Measured May 29, 2026Source
Score
0.69
Ifbench
Measured May 29, 2026Source
Score
0.71
Aime 25
Measured May 29, 2026Source
Score
0.88
Aime
Measured May 29, 2026Source
Score
0.9
Math 500
Measured May 29, 2026Source
Score
0.99
Scicode
Measured May 29, 2026Source
Score
0.41
Livecodebench
Measured May 29, 2026Source
Score
0.81
Hle
Measured May 29, 2026Source
Score
0.2
Gpqa
Measured May 29, 2026Source
Score
0.83
Mmlu Pro
Measured May 29, 2026Source
Score
0.85
Artificial Analysis Math Index
Measured May 29, 2026Source
Score
88.3
Artificial Analysis Coding Index
Measured May 29, 2026Source
Score
38.4
Artificial Analysis Intelligence Index
Measured May 29, 2026Source
Score
38.4
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