on june 9 anthropic launched two ai models, fable 5 and mythos 5. a jailbreak was found in fable 5 within 72 hours, and on june 12 the us government issued an export-control order requiring both suspended for all foreign nationals — anthropic then disabled them globally. it is the first recorded time washington has forced a commercial ai product entirely offline, and before being pulled fable 5 had been catching zero-day software vulnerabilities that two rival models missed.