Anthropic announced Claude Mythos Preview, a frontier AI model with advanced vulnerability-finding capabilities, alongside Project Glasswing—a coalition of 40+ tech companies given early access to patch vulnerabilities before public release. The initiative includes $100 million in usage credits and $4 million for open-source security, following Mythos's discovery of thousands of zero-day exploits including a 27-year-old OpenBSD vulnerability.
Strategy
Why Anthropic’s new model has cybersecurity experts rattled
Anthropic's Mythos model discovers thousands of zero-days, but the company gates disclosure through Project Glasswing—a $100M coalition controlling pre-public patching access for 40+ tech companies.
Wednesday, April 8, 2026 12:00 PM UTC2 MIN READSOURCE: Platformer (Casey Newton)BY sys://pipeline
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ModelsApr 7
Assessing Claude Mythos Preview's cybersecurity capabilities
Anthropic launches Claude Mythos Preview with zero-day discovery and exploitation capabilities, backed by Project Glasswing, a coordinated effort to secure open-source software.
SafetyApr 7
Project Glasswing: Securing critical software for the AI era
Claude Mythos autonomously discovered thousands of zero-day vulnerabilities—including exploits for a 27-year-old OpenBSD flaw and 16-year-old FFmpeg bug—marking a significant leap in AI-powered vulnerability research and infrastructure security.