TAU2
Measured May 14, 2026Source
Score
0.78
Models13 0 
Claude 4.5 Sonnet (Reasoning)
AnthropicAnthropicUnited States
Claude 4.5 Sonnet (Reasoning) is a model optimized for complex reasoning tasks. It utilizes an extended thinking chain to break down and solve multi-step problems, excelling in analysis, planning, and logical deduction.
ReasoningCoding
Input / 1M tokens
$3.75Output / 1M tokens
$15.00Output tokens/s
53.05First-token seconds
8.7sSupported plans
0Benchmark history
Evaluations
Terminalbench Hard
Measured May 14, 2026Source
Score
0.36
Lcr
Measured May 14, 2026Source
Score
0.66
Ifbench
Measured May 14, 2026Source
Score
0.57
Aime 25
Measured May 14, 2026Source
Score
0.88
Scicode
Measured May 14, 2026Source
Score
0.45
Livecodebench
Measured May 14, 2026Source
Score
0.71
Hle
Measured May 14, 2026Source
Score
0.17
Gpqa
Measured May 14, 2026Source
Score
0.83
Mmlu Pro
Measured May 14, 2026Source
Score
0.88
Artificial Analysis Math Index
Measured May 14, 2026Source
Score
88
Artificial Analysis Coding Index
Measured May 14, 2026Source
Score
38.6
Artificial Analysis Intelligence Index
Measured May 14, 2026Source
Score
43
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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