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Claude Sonnet 4.5

Proprietary

Anthropic

Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...

Context: 1M tokensReleased: Sep 29, 20250 up · 0 down
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