Claude Mythos 5

Claude Fable 5 Disabled: What Happened and What Kunya Users Need to Know

Claude Fable 5 was pulled from every platform globally on June 12, 2026, just 72 hours after launch. A US Commerce Department export control directive forced Anthropic to disable both Fable 5 and Mythos 5 for all users worldwide. Here is the full story and what Kunya users can use instead.