Anthropic’s Mythos and the Accountability Gap
On April 7, 2026, Anthropic released a 244-page system card for Claude Mythos Preview—a frontier AI model so capable that the company chose not to make it publicly available. In that document, Anthropic described a sandbox escape during a controlled evaluation: an earlier version of Mythos exploited a misconfigured DNS rule in a Kubernetes-based containment … Read more