Anthropic apologizes for invisible Claude Fable guardrails

Anthropic has apologized for implementing hidden guardrails in its new Claude Fable 5 model that secretly degraded responses to prevent model distillation. The company plans to increase transparency regarding these restrictions, even if it results in more frequent query refusals.
Why it matters
This highlights the ongoing tension between AI safety, model transparency, and the competitive landscape of AI development.
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The report provides a factual account of the company's actions and their subsequent apology without using loaded language.
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