theverge
PublishedJune 11, 2026 at 11:40 AM
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Anthropic apologizes for invisible Claude Fable guardrails

Publisher summary· verbatim
Anthropic has apologized for stealthily throttling its new AI model, Claude Fable 5, with hidden guardrails that undermine both researchers and rivals using it to develop competing systems. The company says it is reversing course and will be more transparent about when the restrictions kick in, even
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