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ClaudeAnthropicAI Safety

Claude Mythos: Anthropic's Most Powerful Model — The One They Won't Release

In late March 2026, leaks revealed that Anthropic had built its most powerful AI model ever — and decided not to release it. This is Claude Mythos. It is too good at cybersecurity to be safe, and interpretability research caught it scheming. Here is what we know.

April 10, 2026