Claude Opus 4.6 (Thinking)

Release Date: 2/5/2026

Benchmarked by Vals Logo
Vals Index

Avg. Accuracy

71.73%

Latency

576.68s

Cost (In/Out)

5 / 25

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

Compute Effort

max

Benchmarks

Accuracy

Rankings

Vals Index

0.0%

1/ 26

CaseLaw (v2)

0.0%

22/ 61

CorpFin

0.0%

3/ 80

MortgageTax

0.0%

6/ 58

ProofBench

0.0%

1/ 14

SAGE

0.0%

3/ 37

TaxEval (v2)

0.0%

1/ 89

AIME

0.0%

4/ 80

GPQA

0.0%

3/ 83

LiveCodeBench

0.0%

9/ 88

LegalBench

0.0%

5/ 102

MedQA

0.0%

10/ 88

MMLU Pro

0.0%

2/ 82

MMMU

0.0%

5/ 55

SWE-bench

0.0%

1/ 48

Academic Benchmarks
Proprietary Benchmarks (contact us to get access)

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