Mythos Boosts the Risk of White House-Anthropic Spat: Editorial

Anthropic PBC’s latest artificial-intelligence model, called Claude Mythos Preview, has an unusual capability: It’s a world-class hacker. In fact, the company says, Mythos has already uncovered “thousands of high-severity vulnerabilities, including some in every major operating system and web browser.” Some of the flaws had gone undetected for decades.

Disturbed by these results, as Bloomberg News recently reported, Anthropic withheld the model from the public, published a detailed system card, briefed the government and worked with a group of key companies (in an initiative called Project Glasswing) to patch vulnerabilities — exactly the kind of public-spirited process that one would hope ...