Claude Haiku 4.5 (Thinking)

Release Date: 10/15/2025

Vals Index

Accuracy (Vals Index)

40.33% ± 1.14

Latency (Vals Index)

378.04s

Cost/Test (Vals Index)

$0.55

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%

± 1.14
16/ 19

0.0%

± 1.04
12/ 14

0.0%

± 0.96
44/ 107

0.0%

± 0.56
16/ 19

0.0%

± 2.00
47/ 58

0.0%

± 1.90
7/ 58

0.0%

± 0.96
34/ 75

0.0%

± 3.13
41/ 55

0.0%

± 0.91
76/ 112

0.0%

± 3.13
36/ 45

0.0%

± 2.47
60/ 106

0.0%

± 2.52
35/ 53

0.0%

± 1.11
98/ 111

0.0%

± 0.49
48/ 109

0.0%

± 0.48
70/ 104

0.0%

± 1.20
69/ 71

0.0%

± 2.11
36/ 48

0.0%

± 5.18
34/ 64
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