TAU2
Measured May 29, 2026Source
Score
0.92
Models9 0 
GPT-5.5 (medium)
OpenAIOpenAIUnited States
OpenAI is an AI research and deployment company that develops advanced language models like GPT-5.5. Their models are designed for complex tasks such as coding, reasoning, and data analysis, and are accessible via API.
Input / 1M tokens
$5.00Output / 1M tokens
$30.00Output tokens/s
61.14First-token seconds
9.26sSupported plans
0Benchmark history
Evaluations
Terminalbench Hard
Measured May 29, 2026Source
Score
0.58
Lcr
Measured May 29, 2026Source
Score
0.72
Ifbench
Measured May 29, 2026Source
Score
0.71
Scicode
Measured May 29, 2026Source
Score
0.54
Hle
Measured May 29, 2026Source
Score
0.41
Gpqa
Measured May 29, 2026Source
Score
0.93
Artificial Analysis Coding Index
Measured May 29, 2026Source
Score
56.2
Artificial Analysis Intelligence Index
Measured May 29, 2026Source
Score
56.7
Plan availability
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