TAU2
Measured May 29, 2026Source
Score
0.56
Models15 0 
o4-mini (high)
OpenAIOpenAIUnited States
This is a lightweight reasoning model from OpenAI's o4 series, designed for efficient handling of complex reasoning tasks. It leverages an internal thinking mechanism to enhance performance in mathematics, coding, and scientific problems.
ReasoningFastCheapCoding
Input / 1M tokens
$1.10Output / 1M tokens
$4.40Output tokens/s
146.17First-token seconds
27.34sSupported plans
0Benchmark history
Evaluations
Terminalbench Hard
Measured May 29, 2026Source
Score
0.15
Lcr
Measured May 29, 2026Source
Score
0.55
Ifbench
Measured May 29, 2026Source
Score
0.69
Aime 25
Measured May 29, 2026Source
Score
0.91
Aime
Measured May 29, 2026Source
Score
0.94
Math 500
Measured May 29, 2026Source
Score
0.99
Scicode
Measured May 29, 2026Source
Score
0.47
Livecodebench
Measured May 29, 2026Source
Score
0.86
Hle
Measured May 29, 2026Source
Score
0.18
Gpqa
Measured May 29, 2026Source
Score
0.78
Mmlu Pro
Measured May 29, 2026Source
Score
0.83
Artificial Analysis Math Index
Measured May 29, 2026Source
Score
90.7
Artificial Analysis Coding Index
Measured May 29, 2026Source
Score
25.6
Artificial Analysis Intelligence Index
Measured May 29, 2026Source
Score
33.1
Plan availability
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