Claude Sonnet 4.6

Anthropic · Released Feb 17, 2026

Input price / MTok

$15

Output price / MTok

1.0M

Context window

Tokens / sec

79.6

SWE-bench Verified

58.1

SWE-bench Pro

89.9

GPQA Diamond

95.6

AIME 2025

74.5

MMMU

72.5

OSWorld

90.6

MRCR

Summary

Claude Sonnet 4.6 is a proprietary language model from Anthropic, released on Feb 17, 2026.

At $3 input and $15 output per million tokens, it ranks #29 of 40 for input price, placing it mid-range on input cost.

Its context window of 1.0M tokens ranks #18 of 41 for context depth in this dataset.

It targets coding, agents, vision workloads.

Throughput is measured at 47 tokens per second (ranked #23 of 23 for throughput).

Benchmarks

Technical specs

Anthropic

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Speed source: https://artificialanalysis.ai/models/claude-sonnet-4-6