Sign up for Chalkbeat Chicago’s free daily newsletter to keep up with the latest news on Chicago Public Schools. For six weeks, Melinda Martinez-Epperson’s ...
Anthropic said it could not yet release the full Claude Mythos 5 model, so instead it created Fable 5 with baked in safeguards.
Queries about dangerous topics such as cybersecurity or bioweapons will be steered to an older Opus model.
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.