TAU2
Measured May 29, 2026Source
Score
0.37
Models15 0 
GPT-5 nano (high)
OpenAIOpenAIUnited States
GPT-5 nano is the most lightweight and cost-effective model in the GPT-5 family, optimized for speed and low latency while retaining strong reasoning capabilities. It is designed for high-throughput, low-cost applications where rapid response is critical.
FastCheapReasoningCoding
Input / 1M tokens
$0.05Output / 1M tokens
$0.40Output tokens/s
171.86First-token seconds
84.93sSupported plans
0Benchmark history
Evaluations
Terminalbench Hard
Measured May 29, 2026Source
Score
0.12
Lcr
Measured May 29, 2026Source
Score
0.42
Ifbench
Measured May 29, 2026Source
Score
0.68
Aime 25
Measured May 29, 2026Source
Score
0.84
Scicode
Measured May 29, 2026Source
Score
0.37
Livecodebench
Measured May 29, 2026Source
Score
0.79
Hle
Measured May 29, 2026Source
Score
0.08
Gpqa
Measured May 29, 2026Source
Score
0.68
Mmlu Pro
Measured May 29, 2026Source
Score
0.78
Artificial Analysis Math Index
Measured May 29, 2026Source
Score
83.7
Artificial Analysis Coding Index
Measured May 29, 2026Source
Score
20.3
Artificial Analysis Intelligence Index
Measured May 29, 2026Source
Score
26.8
Aime
Measured May 29, 2026Source
Score
0.96
Math 500
Measured May 29, 2026Source
Score
0.99
Plan availability
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