The White House imposed export controls on Anthropic’s powerful Mythos AI model partly over suspicions that a China-linked group had accessed it, a person familiar with the matter said.The Trump administration on Friday directed Anthropic to limit access to Mythos, and its consumer version, known as Fable 5, to US citizens. That meant that even Anthropic employees who are foreign nationals would have been prohibited from using the models. Anthropic chose to remove the models from the market comp...