Anthropic

Anthropic released Claude Mythos Preview on April 7, 2026 - and immediately announced it won’t be publicly available. The reason? It’s too dangerous. Despite being the most powerful AI model yet, scoring double-digit improvements over competitors across nearly every benchmark, Mythos is restricted to just 12 major tech companies for defensive cybersecurity work through Project Glasswing. But before diving into why, let’s look at what makes Mythos so exceptionally capable. ...

Anthropic’s Claude Code has been making waves as one of the most capable AI coding assistants available, but a significant internal leak has exposed the underlying technology behind the platform for the second time in just over a year. The incident raised fresh concerns about how the company handles sensitive internal information and operational security. What Happened An internal debugging file was mistakenly included in a routine software update and published to a public package registry used by developers. This file referenced a compressed archive stored on Anthropic’s cloud infrastructure. ...