EventPolicyJune 17, 2026

US orders Anthropic to disable Claude Fable 5 and Mythos 5

The Trump administration ordered Anthropic to revoke access to its most advanced AI models after Amazon flagged a vulnerability and over concerns about SK Telecom's ties to China. Anthropic complied but disputed the severity; about 200 organizations still access Mythos via Project Glasswing.

5 sources

US orders Anthropic to disable Claude Fable 5 and Mythos 5 — AIBriefs