Claude Sonnet 4.6

Name: Claude Sonnet 4.6
Price: 3 USD
Author: Anthropic

Anthropic🇺🇸 United States

active

Smartest Claude Sonnet yet. Improved reasoning and agentic performance.

Context window200K tokens

Input / 1M tokens$3

Output / 1M tokens$15

Version History

claude-sonnet-4-6-20260210majorFebruary 10, 2026

Claude Sonnet 4.6 brings improved multi-step reasoning and stronger agentic task performance over 4.5, at the same price.

79.6%

AIME 2025

93.8%

DocVQA

74.1%

GPQA

91.2%

HumanEval

70.8%

LiveCodeBench

89.1%

MATH

89.3%

MMLU

79.2%

MMLU-Pro

79.0%

MMMU

80.0 tokens_per_sec

Speed (tok/s)

79.6%

SWE-bench Verified