Anthropic Launches Claude Sonnet 5 — Most Agentic Sonnet Yet With 1M Context and Introductory $2/$10 Pricing
Anthropic shipped a significant update today: Claude Sonnet 5, the most agentic version in the Sonnet line, is now live across all Claude plans and available on the API at introductory pricing that significantly undercuts where the frontier stood just a few months ago. This is a genuine milestone. Sonnet-class models have historically been where most developers live — the balance between capability and cost that makes production use practical. With Sonnet 5, that balance shifted considerably in the direction of capability. ...