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ModelsMike Krieger · XRelayed· @mikeyk·· 18 days agoPicks

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Claude Sonnet 5.5 launches with faster speeds and lower costs than Sonnet 5

What happened

Mike Krieger shares @claudeai’s announcement of Claude Sonnet 5.5, the second model in the Claude 5.5 family. It runs more than 30% faster than Sonnet 5 and costs up to 30% less for most work.

Why it matters

The comparison with Sonnet 5 gives readers a concrete reference for the release’s reported speed improvement and cost reduction for most work.

Anthropic / ClaudeModel releases#Model release#Anthropic

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