🤖 Anthropic launches Claude Sonnet 5.5

Anthropic has introduced Claude Sonnet 5.5, the second model in its Claude 5.5 family, positioned as a faster and cheaper alternative to Opus 5.5.

Sonnet 5.5 keeps the same price as Sonnet 5 but typically uses far fewer tokens, making it up to 30% cheaper per task in Anthropic’s testing. It also generates output more than 30% faster, making it the fastest Sonnet model yet.

The model improves across benchmarks, with Sonnet 5.5 at Low or Medium effort beating Sonnet 5’s best results on some tests while costing roughly a tenth as much.

Anthropic says it’s particularly suited for everyday coding and bug fixing, polished documents, slides, spreadsheets, UI design, and other well-scoped tasks where fast iteration matters.

Source.

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