Claude Opus 4.5 (Nonthinking)

Release Date: 11/24/2025

Accuracy (Average)

66.45%

Latency (Average)

651.77s

Avg. Cost (In/Out)

5 / 25

Context Window

200k

Max Output Tokens

64k

Input Modality

Hyperparameter settings
Default Provider : Anthropic

Temperature

1

Top P

Default

Top K

Default

Max Output Tokens

64,000

Compute Effort

high

Benchmarks

Accuracy

Rankings

0.0%

± 0.96
49/ 126

0.0%

± 1.89
24/ 76

0.0%

± 1.93
24/ 75

0.0%

± 0.91
13/ 90

0.0%

± 3.35
28/ 71

0.0%

± 0.85
31/ 132

0.0%

± 2.46
59/ 126

0.0%

± 7.55
17/ 60

0.0%

± 1.12
69/ 131

0.0%

± 0.43
49/ 129

0.0%

± 0.37
47/ 125

0.0%

± 0.94
35/ 86
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