Claude Opus 4.6 (Nonthinking)

Release Date: Feb 5, 2026

Developer Anthropic 🇺🇸

Context Window 1M

Max Output Tokens 128k

Token Costs (in/out) $5.00/25.00

Weights Private

Input Modalities

Accuracy

64.19 %

Avg. Cost (In/Out)

$ 5.00 / $ 25.00

Latency

7 min 26 s

BenchmarksAccuracyRankings

0.0%

±2.05

21/85

0.0%

±1.94

10/84

0.0%

±4.37

26/84

Proprietary BenchmarksAcademic BenchmarksIndustry Partners

View Hyperparameter Settings

Default Provider : Anthropic

Temperature: 1

Top P: Default

Top K: Default

Max Output Tokens: 128,000

Compute Effort: max