Anthropic Limits Release of New AI Model Over Security Concerns

The artificial-intelligence firm Anthropic announced in April that it had developed an AI model too powerful for public release. The company, based in San Francisco, California, said its Claude Mythos model had found vulnerabilities in every major operating system and web browser currently in use.

The company stated in a blog post that the fallout for economies, public safety, and national security could be severe. It limited the model's release under Project Glasswing to roughly 50 trusted organizations.

The decision reflects a move toward more restricted distribution of advanced AI systems. Helen Toner, interim executive director at the Center for Security and Emerging Technology at Georgetown University, said other laboratories are likely to adopt similar controls.

Toner, who previously served on the board of OpenAI, described the step as the possible start of a broader pattern rather than an isolated case. The announcement comes amid ongoing discussion about AI capabilities in areas such as virus and toxin design.