Fable 5 is back: Anthropic re-enables the model with new safeguards
Anthropic re-enabled Fable 5 globally on July 1 after the June 12 U.S. government-ordered shutdown. The new version includes a safety classifier with a block rate above 99%, subsidized access through July 7, and an automatic fallback to Opus 4.8. Claude Sonnet 5 launched in parallel.