Models · MarkTechPost ·
Anthropic Releases Claude Fable 5 and Claude Mythos 5: Same Underlying Model, Different Safeguards, New Mythos-Class Tier
Anthropic released Claude Fable 5 generally available with classifiers, while Claude Mythos 5 remains limited access with cyber safeguards removed under Project Glasswing. The two offerings use the same underlying model but different safety controls and deployment tiers.