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AI LabsIntroducing Claude Sonnet 5.5
Claude Sonnet 5.5 is a clear upgrade over Claude Sonnet 5, runs 30%+ faster, and costs up to 30% less for most work.
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Claude discovers a novel enzyme system with CRISPR-like repeats
AI Labs
Introducing Claude Opus 5.5
Claude Opus 5.5 leads in agentic coding and knowledge work, and costs 40% less to run than Opus 5 on typical workloads.
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Partnering with Accenture on embedded evaluation
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