After details of a yet-to-be-announced model were revealed due to the company leaving unpublished drafts of documents and ...

Hundreds of thousands of lines of code were exposed, giving researchers insight into upcoming models and internal ...

Anthropic is scrambling to contain the leak, but the AI coding agent is spreading far and wide and being picked apart.

A researcher flagged the issue on 31 March 2026, and the code has since been archived on multiple public repositories, ...