ShiZhen AI

Mar 27, 2026 · Artificial Intelligence

Anthropic’s Secret ‘Capybara’ Model Leaked: So Powerful Even the Company Hesitates to Release It

A CMS misconfiguration exposed Anthropic’s unreleased Claude Mythos model, codenamed Capybara, revealing its unprecedented cybersecurity capabilities, massive scale, and the company’s cautious rollout strategy amid fierce competition from OpenAI and Google.