Claude Sonnet 4.5 (Thinking)

Release Date: 9/29/2025

Accuracy (Average)

58.78%

Latency (Average)

1279.97s

Avg. Cost (In/Out)

3 / 15

Context Window

1M

Max Output Tokens

64k

Input Modality

Hyperparameter settings
Default Provider : Anthropic

Temperature

1

Top P

Default

Top K

Default

Max Output Tokens

64,000

Benchmarks

Accuracy

Rankings

0.0%

± 0.96
43/ 123

0.0%

± 2.00
24/ 74

0.0%

± 1.87
19/ 73

0.0%

± 0.95
40/ 87

0.0%

± 3.92
25/ 50

0.0%

± 3.21
48/ 69

0.0%

± 0.86
42/ 129

0.0%

± 3.73
42/ 73

0.0%

± 2.25
48/ 123

0.0%

± 5.92
21/ 58

0.0%

± 1.13
68/ 128

0.0%

± 0.45
27/ 126

0.0%

± 0.39
20/ 122

0.0%

± 0.97
38/ 83

0.0%

± 2.05
48/ 72
Contact us
Or send us an email at contact@vals.ai

License type:

Proprietary (contact us to get access)
Industry Partner
Academic

Read our methodology.