Anthropic launched Claude Fable 5 on June 9, its most advanced AI model to date, employing an unprecedented dual-release strategy. While Fable 5 is publicly available with cyber safety classifiers enabled, its counterpart Claude Mythos 5 operates without these safeguards and is restricted to a vetted group for cybersecurity applications.
On June 9, Anthropic released Claude Fable 5, the most capable model it has ever made, generally available. It also did something unusual: it shipped one model as two products, split not by capability but by a layer of safety classifiers. Fable 5 goes to the public. Its twin, Claude Mythos 5, the same underlying model with the cyber safeguards lifted, stays locked to a vetted group of cyber
Originally published at thehackernews.com
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