#1Claude Now Authors More Than 80% of Anthropic's Own Codebase
Anthropic confirmed that over 80% of code merged into its internal repositories is now written by Claude — a remarkable self-referential milestone. Simultaneously, the company expanded Project Glasswing (Claude Mythos Preview) to roughly 150 partner organizations, where it has already flagged more than 10,000 high- and critical-severity security vulnerabilities. AI writing AI infrastructure is no longer hypothetical.








