Claude Sonnet 4

Claude Sonnet 4, part of the Claude 4 family, is a significant upgrade to Claude Sonnet 3.7. It excels in coding (72.7% on SWE-bench) and reasoning, responding more precisely to instructions.

MMMLU

86.5%

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TAU-bench Retail

80.5%

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GPQA

75.4%

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MMMU

74.4%

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SWE-Bench Verified

72.7%

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AIME 2025

70.5%

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TAU-bench Airline

60.0%

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Terminal-Bench

35.5%

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