Anthropic leaked part of the internal source code for its popular artificial intelligence coding assistant, Claude Code, the company confirmed on Tuesday.

A top Anthropic PBC executive expects the company’s general-purpose artificial intelligence agent, Cowork, to reach a wider market than Claude Code, the hit product that helped turn the startup into a...

The leak did reveal commercially sensitive information, including Anthropic's proprietary techniques, tools, and instructions for enabling its AI models to work as coding agents.