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
38/ 115

0.0%

± 1.89
21/ 67

0.0%

± 1.93
16/ 64

0.0%

± 0.91
10/ 80

0.0%

± 3.35
20/ 61

0.0%

± 0.85
22/ 121

0.0%

± 2.46
47/ 115

0.0%

± 7.55
12/ 55

0.0%

± 1.12
60/ 121

0.0%

± 0.43
37/ 118

0.0%

± 0.37
35/ 114

0.0%

± 0.94
26/ 76
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