It says the model can use browsers, plan, code and do knowledge work while posing fewer risks than Mythos and Fable.

Claude Sonnet 5 brings near-Opus 4.8 agentic performance at a mid-tier price, from $2/$10 per million tokens until August 31. Here's what is new.

The company’s new mid-tier model, the successor to Sonnet 4.6, can “make plans, use tools like browsers and terminals, and run autonomously at a level that, just a few months ago,…