Anthropic Officially Announces Claude Sonnet 5
Anthropic's Moves: Claude's Development PhilosophySince July's Opus 5, the Sonnet line had gone without a version bump — until now.
Anthropic formally announced Claude Sonnet 5 on Aug 30, positioned for frontier performance in coding, agents, and professional work.
Good news if you pick models for coding or work tasks. The same day, Sony Music and others reportedly sued Anthropic over copyright — worth a legal gut-check.