Claude Sonnet 4

Claude Sonnet 4

Claude Sonnet 4 is a significant upgrade to Sonnet 3.7, delivering superior coding and reasoning while responding more precisely to instructions. It balances performance and efficiency for various use cases.

ConversationReasoningCode GenerationAnalysisAgentic Tool UseMemory
Provider
Anthropic
Release Date
2025-05-22
Size
LARGE
Parameters
Not disclosed

Benchmark Performance

Performance metrics on industry standard AI benchmarks that measure capabilities across reasoning, knowledge, and specialized tasks.

SWE-bench Verified

72.7%
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GPQA Diamond

70.0% (w/o extended thinking)
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MMMLU

85.4% (w/o extended thinking)
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MMMU

72.6% (w/o extended thinking)
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AIME

33.1% (w/o extended thinking)
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Model Insights

All Model Responses

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