Claude Mythos Preview – Security Report

Project Glasswing Claude Mythos Preview The anatomy of Anthropic's most powerful AI model.

A model that has not been released to humanity due to cybersecurity safety reasons.

⚠ Safety Level ASL-3 AI Safety Level 3 - high catastrophic risk.

🔒 Public Access 0% Access limited exclusively to researchers in a Sandbox environment.

📄 System Card 244 Pages of detailed documentation for offensive testing (Red Teaming).

Destruction Threshold: Performance Leap The Mythos model is not just a minor update.

It represents a gigantic leap in analytical capabilities compared to the flagship Claude 3.5 Sonnet.

This new computing power, combined with an unprecedented ability for autonomous planning, caused Anthropic to hit the brakes.