US government orders Anthropic to suspend Fable 5 and Mythos 5 access

Anthropic News

The US Commerce Department issued an export control directive on June 12, 2026, ordering Anthropic to suspend all access to Fable 5 and Mythos 5 by foreign nationals, citing a jailbreak concern. Anthropic complied, disabling the models for all customers, and called the vulnerabilities 'minor' and discoverable by other models without a bypass.

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Anthropic News

Jun 12, 12:00 AM