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Anthropic releases Sonnet 5.5, claims 30%+ faster outputs and up to 30% lower cost per task

#anthropic#claude#sonnet#model-release

Anthropic has released Sonnet 5.5, positioned as a faster, lower-cost complement to Claude Opus 5.5. The company claims it generates outputs over 30% faster than Sonnet 5 and costs up to 30% less per task, with Haiku 5.5 planned for release soon.

Coverage timeline

  1. Techmeme

    Anthropic : Anthropic releases Sonnet 5.5, saying it generates outputs 30%+ faster than Sonnet 5 and costs up to 30% less per task, and plans to release Haiku 5.5 soon — Sonnet 5.5 is a faster, lower-cost complement to Claude Opus 5.5. Where Opus 5.5 is built for complex work requiring careful judgment …