Claude Haiku 4.5 (Thinking)

Release Date: 10/15/2025

Vals Index

Accuracy (Vals Index)

47.22% ± 1.92

Latency (Vals Index)

364.82s

Cost/Test (Vals Index)

$0.50

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

Benchmarks

Accuracy

Rankings

0.0%

± 1.92
27/ 35

0.0%

± 1.41
22/ 28

0.0%

± 0.92
30/ 54

0.0%

± 0.96
42/ 104

0.0%

± 2.85
32/ 51

0.0%

± 2.00
46/ 56

0.0%

± 1.90
7/ 56

0.0%

± 0.96
33/ 73

0.0%

± 3.13
40/ 54

0.0%

± 0.91
75/ 110

0.0%

± 3.13
34/ 43

0.0%

± 0.91
44/ 96

0.0%

± 2.47
58/ 104

0.0%

± 2.52
35/ 53

0.0%

± 1.11
96/ 109

0.0%

± 0.49
47/ 107

0.0%

± 0.37
74/ 95

0.0%

± 0.48
69/ 103

0.0%

± 1.20
68/ 70

0.0%

± 2.11
35/ 47

0.0%

± 5.18
32/ 61
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