Anthropic Releases Claude Sonnet 5 for Agentic Work

Anthropic released Claude Sonnet 5 on June 30, positioning it as a cost-effective model for agentic workflows that approaches the performance of Opus 4.8. Introductory API pricing is $2 per million input tokens through August 31, then rising to $3, with availability on Anthropic's platform, AWS Bedrock, and GitHub Copilot.

Editorial analysis: For AI practitioners building agents, lower-cost models that natively handle multi-step tool use shift production tradeoffs toward mid-tier models rather than always using top-tier, expensive models. In a June 30 blog post, Anthropic introduced Claude Sonnet 5 , describing it as "the most agentic Sonnet model yet" and an upgrade to the Sonnet line Anthropic blog . Reporting by TechCrunch and Axios notes that Sonnet 5 approaches the performance of Opus 4.8 while aiming to be cheaper to operate TechCrunch; Axios . TechCrunch and other outlets report introductory API pricing at $2 per million input tokens and $10 per million output tokens through August 31, moving to $3 per million input tokens thereafter TechCrunch . The model is available across Anthropic's platform, on AWS Bedrock, and is rolling into GitHub Copilot and other integrations per AWS and GitHub blog posts.