Claude Opus 4.5 (Nonthinking)

Release Date: 11/24/2025

Benchmarked by Vals Logo

Avg. Accuracy

70.37%

Latency

526.77s

Cost (In/Out)

5 / 25

Context Window

200k

Max Output Tokens

64k

Input Modality

Hyperparameter settings
Default Provider : N/A

Temperature

1

Top P

Default

Top K

Default

Max Output Tokens

64,000

Compute Effort

high

Benchmarks

Accuracy

Rankings

CaseLaw (v2)

0.0%

10/ 63

CorpFin

0.0%

15/ 82

MortgageTax

0.0%

5/ 58

SAGE

0.0%

7/ 37

TaxEval (v2)

0.0%

12/ 91

AIME

0.0%

36/ 82

GPQA

0.0%

22/ 85

IOI

0.0%

5/ 43

LiveCodeBench

0.0%

31/ 90

LegalBench

0.0%

19/ 104

MedQA

0.0%

20/ 90

MGSM

0.0%

2/ 75

MMLU Pro

0.0%

16/ 84

MMMU

0.0%

10/ 55

SWE-bench

0.0%

4/ 50

Academic Benchmarks
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