Anthropic shut down Claude Fable 5 (and Claude Mythos 5) for all customers late Friday, June 12, after the US government barred access by foreign nationals inside and outside the United States. Tech Times
Because the export control directive reaches foreign nationals everywhere, including Anthropic's own employees — the company concluded the only way to comply was to turn the models off for everyone. Every other Anthropic model remains unaffected. The New Stack
Anthropic said it received the directive at 5:21 p.m. ET and began removing access for all users to ensure compliance. The company called the order a misunderstanding and said it is working to restore access, but gave no timetable. Tech Times
So in short: it's not a technical outage, it was