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Anthropic blames Claude AI for ‘embarrassing and unintentional mistake’ in legal filing

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Anthropic has responded to allegations that it used an AI-fabricated source in its legal battle against music publishers.

Anthropic 's Claude chatbot added wording errors to a citation that made it look like a genuine article didn’t exist.

An attorney representing Universal Music Group , ABKCO , and Concord said in a hearing that sources referenced in the filing were a “complete fabrication,” and implied they were hallucinated by Anthropic’s AI tool.