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22 May 2025Model release
Anthropic releases Claude Sonnet 4 and Claude Haiku 4
Alongside Claude Opus 4, Anthropic launches Sonnet 4 and Haiku 4 completing the Claude 4 model family.
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claude4model
Alongside Claude Opus 4, Anthropic launches Sonnet 4 and Haiku 4 completing the Claude 4 model family.