Anthropic's Mythos and Project Glasswing Expose Vulnerabilities

How it developed

1. May 27, 2026The AI Daily BriefWhere it started

   Anthropic's Mythos and Project Glasswing Expose Vulnerabilities

2. June 2, 2026TechCrunch AI

   Anthropic Expands Claude Mythos to Critical Infrastructure

   Anthropic deploys Claude Mythos to over 150 organizations across 15 countries to secure critical infrastructure.

3. June 4, 2026The AI Daily Brief

   Anthropic Expands Mythos and Project Glasswing

4. June 9, 2026Anthropic

   Anthropic Launches Claude Fable 5 and Mythos 5

   Anthropic launches Claude Fable 5 and Mythos 5, expanding capabilities in software engineering and drug design with new safeguards.

5. June 9, 2026WIRED AI

   Anthropic Releases Claude Fable 5 with Safety Measures

6. June 9, 2026Duncan Rogoff

   Claude Mythos 5 and Fable 5 Released

   Fable 5 is accessible through Claude Code while Mythos 5 remains exclusive.

7. June 9, 2026Sam Witteveen

   Anthropic Launches Fable 5 Model

8. June 9, 2026Skill Leap AI

   Anthropic Releases Claude Fable 5 and Mythos 5

9. June 10, 2026The Rundown AI

   Anthropic Releases Claude Fable 5 to Public