Claude Sonnet 5.5

Claude AI@claudeaiSep 28, 2026

Introducing Claude Sonnet 5.5, the second model in the Claude 5.5 family. It’s a clear upgrade over Sonnet 5, runs more than 30% faster, and costs up to 30% less for most work. https://t.co/UvXD8mDTF1

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Comments1.85k
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Likes55.3k
Launched Sep 28, 2026View post
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