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Claude Sonnet 4.6

Anthropic · Released 17 Feb 2026 · claude-sonnet-4-6

Compare this model
ProprietaryCodingAgents

$3.00

Input price / 1M tokens

#47 of 61, cheapest first

$15.00

Output price / 1M tokens

#46 of 61, cheapest first

1M

Context window

#29 of 71

44

Output tokens / second

#56 of 61

Summary

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

At $3.00 input and $15.00 output per million tokens, it is #47 of 61 on input price, cheapest first.

Its 1M-token context window ranks #29 of 71.

Measured output speed is 44 tokens per second, #56 of 61.

Legacy Sonnet model; at launch Anthropic called it a full upgrade across coding, computer use, long-context reasoning, agent planning and knowledge work.

Benchmarks · 0 reported

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Sources

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