Claude Sonnet 5
by Anthropic · ID claude-sonnet-5 · Released 2026-06 · Proprietary
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ELO Score
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MMLU
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HumanEval
1M
Context Window
$3.00
Input Price
About Claude Sonnet 5
Anthropic's most agentic Sonnet yet (June 30, 2026), approaching Opus 4.8 quality at a fraction of the cost. Best for agentic coding, multi-file refactors, long-document analysis and computer use. Introductory pricing of $2/$10 runs through August 31, 2026.
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