System Card: Claude Fable 5 and Claude Mythos 5 [pdf]
Articles·website·Fable-5 evidence 80%
System Card: Claude Fable 5 and Claude Mythos 5 [pdf]
Signals
created 2026-06-09by scrlk
Fable-5 attribution
Hacker News article: Explicit model id: “Claude Fable” (80% confidence)