Models

System Card: Claude Mythos Preview [pdf]

Anthropic publishes system card for Claude Mythos Preview, documenting the new model variant's capabilities, safety features, and operational characteristics for developers.

Tuesday, April 7, 2026 12:00 PM UTC2 MIN READSOURCE: Hacker NewsBY sys://pipeline

Anthropic has published an official system card for Claude Mythos Preview, a new variant of the Claude model family. System cards document a model's capabilities, safety features, and operational characteristics for developers and users evaluating the model.

Read original at Hacker News

Assessing Claude Mythos Preview's cybersecurity capabilities

Anthropic launches Claude Mythos Preview with zero-day discovery and exploitation capabilities, backed by Project Glasswing, a coordinated effort to secure open-source software.