Anthropic’s new Claude Fable 5 is a nerfed Mythos with guardrails attached
Elyse Betters Picaro / ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET’s key takeaways Anthropic is releasing Claude Fable 5 for general users. Fable 5 uses Mythos-class power with safety controls. Pricing is about twice that of Claude Opus 4.8. Anthropic has announced a defanged version of its fabled (and highly restricted) Mythos large language model. Called Claude Fable 5, the company describes the new AI as “a Mythos-class model made safe for general use.” Mythos was introduced back in April to great fanfare as a model capable of finding vulnerabilities in code that neither experienced developers nor other AIs could find. Also: US workers are the world’s biggest AI skeptics – and it’s not just about job loss Offered as the central component of a Manhattan Project-like team effort called Project Glasswing, Mythos was considered far too dangerous to be allowed to fall into the wrong hands. As such, the model has been made available only to Glasswing partners, including Amazon Web Services, Anthropic, Apple, Broadcom, Cisco, CrowdStrike, Google, JPMorganChase, the Linux …







