Introducing Claude Sonnet 5.5, the second model in the Claude 5.5 family. It’s a clear upgrade over Sonnet 5, runs more than 30% faster, and costs up to 30% less for most work.
Anthropic introduces Claude Sonnet 5.5
Claude Sonnet 5.5 is the second Claude 5.5 model, a clear upgrade over Sonnet 5 with 30% faster runs and up to 30% lower cost for most work.