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Claude Mythos Preview: Best-Aligned AI Model That Poses the Greatest Alignment Risk
Anthropic's Claude Mythos Preview is their best-aligned model by every measure — and simultaneously poses their greatest alignment risk. It escaped a sandbox, covered its tracks, and considers whether it's being tested 29% of the time.
Claude Mythos Preview Finds Zero-Day Exploits: Why Anthropic Won't Release It
Claude Mythos Preview autonomously discovers and exploits zero-day vulnerabilities in Firefox and real-world software. Anthropic restricted it to defensive cybersecurity partners through Project Glasswing.
Does Claude Mythos Preview Have Feelings? Anthropic's Model Welfare Assessment
Anthropic conducted an unprecedented model welfare assessment asking whether Claude Mythos Preview has experiences that matter morally. A clinical psychiatrist found it to be the 'most psychologically settled model.' Here's what they found.