Cybersecurity researchers complain that Claude Fable's guardrails are too strict, rejecting "innocuous tasks" like reading blog posts or performing code reviews (Lorenzo Franceschi-Bicchierai/TechCrunch)

Jun 10, 2026 - 18:55
Updated: 3 hours ago
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Claude Fable interface displaying a guardrail rejection for a routine programming task

Lorenzo Franceschi-Bicchierai / TechCrunch:
Cybersecurity researchers complain that Claude Fable's guardrails are too strict, rejecting “innocuous tasks” like reading blog posts or performing code reviews  —  Anthropic released its latest model Fable on Tuesday, billing it as a public and limited version of its powerful and much-hyped cybersecurity model Mythos.

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Christopher Holloway

Christopher Holloway is the founder and director of Progressive Robot, a UK-based technology company. A full-stack engineer with more than two decades of experience, he works across PHP development, ecommerce, Linux infrastructure, technical SEO and AI automation, and writes here on technology, AI, hardware and software.

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