4 Technical Logs Found
Claude Mythos Preview found thousands of critical vulnerabilities in every major OS and browser. Anthropic isn't releasing it publicly. Instead, 12 tech giants get exclusive access through Project Glasswing. Here's what that means for everyone else.
Anthropic's Claude Mythos Preview scored 73% on expert-level cyberattack tasks. Fed Chair Powell and Treasury Secretary Bessent briefed US bank CEOs. UK Bank of England convened emergency sessions. Goldman Sachs, JPMorgan, Apple, Google, Microsoft are in Project Glasswing
Anthropic unveiled Claude Mythos Preview on April 8, 2026 — a model so capable at finding zero-day exploits across every major OS and browser that it will not be released publicly. Instead, $100M Project Glasswing gives AWS, Apple, Google, Microsoft.
The accidental leak of 'Claude Code 2.1.88' and its 44 feature flags has revealed Anthropic's 'Mythos'—a Capybara-class model so powerful at finding vulnerabilities it's triggered a national security briefing.
