Claude Sonnet 4.6

Release Date: 2/17/2026

Vals Index

Accuracy (Vals Index)

67.74% ± 1.89

Latency (Vals Index)

330.59s

Cost/Test (Vals Index)

$0.80

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%

± 1.89
2/ 40

0.0%

± 1.49
2/ 28

0.0%

± 0.56
12/ 47

0.0%

± 0.94
10/ 97

0.0%

± 2.84
2/ 45

0.0%

± 0.92
11/ 69

0.0%

± 5.00
4/ 24

0.0%

± 3.43
12/ 49

0.0%

± 0.82
2/ 104

0.0%

± 4.64
7/ 26

0.0%

± 0.44
20/ 96

0.0%

± 2.41
17/ 99

0.0%

± 1.06
27/ 103

0.0%

± 0.48
36/ 116

0.0%

± 0.25
37/ 95

0.0%

± 0.43
10/ 97

0.0%

± 0.89
11/ 66

0.0%

± 1.87
6/ 41

0.0%

± 5.23
5/ 52
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