Claude Sonnet 4.6

Release Date: 2/17/2026

Vals Index

Accuracy (Vals Index)

60.30% ± 1.62

Latency (Vals Index)

694.09s

Cost/Test (Vals Index)

$2.14

Context Window

200k

Max Output Tokens

128k

Input Modality

Hyperparameter settings
Default Provider : Anthropic

Temperature

1

Top P

Default

Top K

Default

Max Output Tokens

128,000

Thinking

On

Compute Effort

max

Benchmarks

Accuracy

Rankings

0.0%

± 1.62
3/ 16

0.0%

± 1.47
3/ 13

0.0%

± 0.94
14/ 104

0.0%

± 0.33
3/ 17

0.0%

± 0.92
14/ 73

0.0%

± 4.97
5/ 30

0.0%

± 3.43
14/ 54

0.0%

± 0.82
2/ 110

0.0%

± 4.64
8/ 43

0.0%

± 2.41
21/ 104

0.0%

± 1.06
32/ 109

0.0%

± 0.48
40/ 107

0.0%

± 0.43
12/ 103

0.0%

± 0.89
13/ 70

0.0%

± 1.87
7/ 47

0.0%

± 5.23
6/ 61
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