TAU2
Measured May 29, 2026Source
Score
0.63
Models13 0 
GPT-5.1 Codex mini (high)
OpenAIOpenAIUnited States
A high-performance, lightweight model from the Codex series optimized for code generation and understanding. It offers a strong balance of speed, cost-efficiency, and coding capability, making it suitable for fast, high-volume code-related tasks.
CodingFastCheapLong context
Input / 1M tokens
$0.25Output / 1M tokens
$2.00Output tokens/s
197.97First-token seconds
5.63sSupported plans
0Benchmark history
Evaluations
Terminalbench Hard
Measured May 29, 2026Source
Score
0.33
Lcr
Measured May 29, 2026Source
Score
0.63
Ifbench
Measured May 29, 2026Source
Score
0.68
Aime 25
Measured May 29, 2026Source
Score
0.92
Scicode
Measured May 29, 2026Source
Score
0.43
Livecodebench
Measured May 29, 2026Source
Score
0.84
Hle
Measured May 29, 2026Source
Score
0.17
Gpqa
Measured May 29, 2026Source
Score
0.81
Mmlu Pro
Measured May 29, 2026Source
Score
0.82
Artificial Analysis Math Index
Measured May 29, 2026Source
Score
91.7
Artificial Analysis Coding Index
Measured May 29, 2026Source
Score
36.4
Artificial Analysis Intelligence Index
Measured May 29, 2026Source
Score
38.6
Plan availability
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