The Trump administration will ask leading AI developers to voluntarily submit their most capable models for government cybersecurity tests before releasing them to the public, according to an executive order released on Tuesday, as security fears mount in Washington over powerful new AI systems such as Anthropic’s Mythos. U.S. President Donald Trump signed an executive order that directs the departments of Treasury, Defense, Commerce and Homeland Security, plus other government officials and agencies, to secure agreements with AI developers to test their models. U.S. agencies would get up to 30 days to test the models before they are released to organizations outside the government, according to the order. It also directs…

