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AI Daily — June 21, 2026

2026-06-21

www.anthropic.com

US Government Directs Suspension of Access to Fable 5 and Mythos 5

Anthropic issued a statement responding to a US government directive requiring it to suspend access to two models, Fable 5 and Mythos 5. This appears to be a significant regulatory intervention directly restricting model availability, marking a notable escalation in government oversight of frontier AI systems. The statement signals growing tension between AI labs and federal authorities over deployment of advanced models.