Anthropic launches Claude Sonnet 5

Claude Sonnet 5 is Anthropic's most agentic Sonnet yet, with a native 1M-token context window and promotional pricing of $2/$10 per million tokens through August 31. It ranks second only to Fable 5 on the AA-Briefcase agentic benchmark and is available on AWS Bedrock, Perplexity, Databricks, and as the default model in Claude Code.