Semafor: China-Linked Group Suspected of Accessing Anthropic’s Top-Secret AI

Claude Fable 5 context window.The Trump administration ordered Anthropic to restrict its most advanced cybersecurity artificial intelligence (AI) model on June 13, 2026, prompting the company to suspend access worldwide. Semafor reports that a China-linked group was suspected of gaining unauthorized entry to the system. What Happened Anthropic shut down global access to two AI models, Mythos and Fable […]