Anthropic reversed hidden Claude Fable 5 safeguards within 24 hours after users discovered sensitive queries were secretly rerouted to an older model.

Anthropic has released a full version of its cybersecurity-centric Claude Mythos model—along with a safer version for the general public.

Claude Fable 5 brings Mythos-class AI coding power to general users, but with cybersecurity guardrails, fallback models, and pricing that could make developers think twice.

One step further into the power politics of frontier AI systems.

Anthropic unveils Claude Fable 5, a powerful, safe Mythos-class AI model designed for diverse applications and enhanced performance.