The AI Ad-Hoc Prior Restraint Era Begins

The White House has ordered Anthropic not to expand access to Mythos, and is at least seriously considering a complete about-face of American Frontier AI policy into a full prior restraint regime, where anyone wishing to release a highly capable new model will have to ask for permission. This would be the antithesis of all their previous rhetoric, and all their actions to systematically avoid laying a foundation to do this in an orderly and informed fashion.