Claude Sonnet 5.5
Anthropic's second model in the Claude 5.5 family
AI & Machine LearningDeveloper ToolsAPI & Infrastructure
Imported from Product Hunt
September 30, 2026
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Claude Sonnet 5.5 is Anthropic’s fast, cost-efficient AI model for everyday work: coding, bug fixes, documents, slides, and design. It runs 30%+ faster than Sonnet 5, lowers task costs up to 30%, and delivers stronger coding and knowledge-work performance.
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