Anthropic confirmed tonight that it has disabled access to Claude Fable 5 and Claude Mythos 5 to all customers, following an export control directive from the US government. Here are the details.
Source: [9to5Mac](https://9to5mac.com/2026/06/12/anthropic-pulls-claude-mythos-5-and-claude-fable-5-following-us-government-directive/)