Claude Sonnet 5.5 quietly goes live on Anthropic's official page
Ok_Barracuda_1161 · reddit · 2026-09-29
A Reddit user spotted that Anthropic has quietly published the official release page for Claude Sonnet 5.5, the second model in the Claude 5.5 family. The post is just a link; per the announcement, the model runs over 30% faster than Sonnet 5 and costs up to 30% less for most workloads.
Related event: Anthropic Launches Claude Sonnet 5.5: Over 30% Faster, Up to 30% Cheaper(58 posts)→
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