Anthropic ships Claude Sonnet 5.5: 30%+ faster and up to 30% cheaper for most work
every · x · 2026-09-29
Anthropic has released Claude Sonnet 5.5, the second model in the Claude 5.5 family. The company calls it a clear upgrade over Sonnet 5, running more than 30% faster and costing up to 30% less for most work. Every has published a full vibe check examining where the model fits in Claude's crowded lineup.
Related event: Anthropic Launches Claude Sonnet 5.5: Over 30% Faster, Up to 30% Cheaper(58 posts)→
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