Claude Sonnet 5 blog cover with bold gold typography, a floral glowing number 5, and a dark luxury botanical background.

Claude Sonnet 5 Just Launched

On June 30, 2026, Anthropic released Claude Sonnet 5, the newest version of its balanced mid tier model and the most agentic Sonnet the company has ever shipped. It is the direct successor to Sonnet 4.6, and it lands with one clear pitch: near Opus 4.8 quality at a fraction of the cost. The headline […]