Anthropic’s forced removal from the U.S. government is threatening critical AI nuclear safety research 

As government agencies struggle to understand whether they’re allowed to use Claude, projects at the Energy Department designed to limit AI’s work on nuclear weapons may suddenly halt.

The sudden wind-down of Anthropic technology within the U.S. government is raising concerns about whether federal officials, without access to Claude, might fall behind in the quest to guard against the threat of AI-generated or AI-assisted nuclear and chemical weapons.