Introduction: The Dawn of a New AI EraClaude Mythos Preview stands as Anthropic's frontier flagship model, released on April 7, 2026, alongside Project Glasswing. Specially designed for defensive cybersecurity workflows, it currently represents Anthropic's most capable model, achieving an remarkable 83.1% on cybersecurity vulnerability reproduction benchmarks—significantly surpassing Claude Opus 4.6's 66.6%.Importantly, Mythos is not a general-purpose model面向 public audiences. Access operates through invitation-only arrangements, open exclus...