Anthropic released Claude Fable 5 on June 9, a Mythos-class model made safe for general use, alongside Claude Mythos 5 with lifted safeguards

Anthropic moved first, releasing Claude Fable 5 on June 9, a Mythos-class model made safe for general use, alongside Claude Mythos 5 — the same model with safeguards lifted in some areas.

https://lastweekin.ai/p/last-week-in-ai-342-last-3-months