TAU2
Measured May 14, 2026Source
Score
0.73
Models15 0 
Claude 4 Opus (Reasoning)
AnthropicAnthropicUnited States
Claude 4 Opus (Reasoning) is Anthropic's most capable model, optimized for complex reasoning and extended thinking tasks. It excels at multi-step problem solving, analysis, and generating nuanced, well-structured responses for challenging queries.
ReasoningCodingLong contextMultimodal
Input / 1M tokens
$18.75Output / 1M tokens
$75.00Output tokens/s
38.79First-token seconds
8.6sSupported plans
0Benchmark history
Evaluations
Terminalbench Hard
Measured May 14, 2026Source
Score
0.31
Lcr
Measured May 14, 2026Source
Score
0.34
Ifbench
Measured May 14, 2026Source
Score
0.54
Aime 25
Measured May 14, 2026Source
Score
0.73
Aime
Measured May 14, 2026Source
Score
0.76
Math 500
Measured May 14, 2026Source
Score
0.98
Scicode
Measured May 14, 2026Source
Score
0.4
Livecodebench
Measured May 14, 2026Source
Score
0.64
Hle
Measured May 14, 2026Source
Score
0.12
Gpqa
Measured May 14, 2026Source
Score
0.8
Mmlu Pro
Measured May 14, 2026Source
Score
0.87
Artificial Analysis Math Index
Measured May 14, 2026Source
Score
73.3
Artificial Analysis Coding Index
Measured May 14, 2026Source
Score
34
Artificial Analysis Intelligence Index
Measured May 14, 2026Source
Score
39
Plan availability
Products and plans that support this model
No products or plans have been linked to this model yet.
Discussion
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