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Anthropic is democratizing its high-security Mythos coding model by releasing a "defanged" version with strict guardrails against cybersecurity and biology risks. While this brings elite vulnerability detection capabilities to general users, the pricing is set at roughly double that of the Opus 4.8 model, potentially limiting adoption for cost-sensitive development teams. The rollout marks a strategic shift from an exclusive, restricted preview to a broader, albeit more expensive, trusted-access program.
Anthropic's new Claude Fable 5 is the same base model as Mythos but with guardrails attached
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.
Follow ZDNET: Add us as a preferred source on Google. 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. Offered…
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