Fable 5 vanished in 90 minutes
A Commerce Dept. stop letter gave Anthropic 90 minutes; Fable 5 / Mythos 5 went dark across all channels with no migration window.
Until last week, Fable 5 was live and in active use. It was designated under export controls with zero transition time and no deprecation notice.
Regulatory risk now sits beside infrastructure failure. Teams running AI-dependent pipelines need a backup-model plan in place this week.