TAU2
Measured May 14, 2026Source
Score
0.94
Models9 0 
GPT-5.5 Pro (xhigh)
OpenAIOpenAIUnited States
OpenAI develops advanced AI models like GPT-5.5 for complex professional and research tasks, offering API access with features such as variable reasoning effort and multimodal capabilities.
Input / 1M tokens
$0.00Output / 1M tokens
$0.00Supported plans
0Benchmark history
Evaluations
Terminalbench Hard
Measured May 14, 2026Source
Score
0.61
Lcr
Measured May 14, 2026Source
Score
0.74
Ifbench
Measured May 14, 2026Source
Score
0.76
Scicode
Measured May 14, 2026Source
Score
0.56
Hle
Measured May 14, 2026Source
Score
0.44
Gpqa
Measured May 14, 2026Source
Score
0.94
Artificial Analysis Coding Index
Measured May 14, 2026Source
Score
59.1
Artificial Analysis Intelligence Index
Measured May 14, 2026Source
Score
60.2
Plan availability
Products and plans that support this model
No products or plans have been linked to this model yet.
Discussion
Thinking... Make sure you are connected to GitHub server