Anthropic’s Mythos Model Is Being Accessed by Unauthorized Users
- Posted on April 21, 2026
- By Google News
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- 1 min read
Anthropic’s Mythos Model Is Being Accessed by Unauthorized Users

A small group of unauthorized users have accessed Anthropic PBC’s new Mythos AI model, a technology that the company says is so powerful it can enable dangerous cyberattacks, according to a person familiar with the matter and documentation viewed by Bloomberg News.