A lawyer for Anthropic admitted in court that they accidentally used a fake citation generated by Claude during an ongoing ...

The AI chatbot was used to help draft a citation in an expert report for Anthropic's copyright lawsuit.

Anthropic on Thursday admitted that a faulty reference in a court paper was the result of its own AI assistant Claude and ...

Claude hallucinated the citation with “an inaccurate title and inaccurate authors,” Anthropic says in the filing, first ...

Anthropic says Claude Opus 4 is its most powerful model and the best coding model in the world, while Sonnet 4 is replacing ...

AI 'hallucinations' are causing lawyers professional embarrassment, sanctions from judges and lost cases. Why do they keep ...

The flawed citations, or "hallucinations," appeared in an April 30, 2025 declaration [PDF] from Anthropic data scientist ...

Anthropic has formally apologized after its Claude AI model fabricated a legal citation used by its lawyers in a copyright ...

The firm was ordered to respond to allegations that its AI expert cited a non-existent academic source as part of a $75M ...

Last month the music publishers suing Anthropic had another go at arguing why the AI company should be held liable for ...

May 15 (Reuters) - An attorney defending artificial-intelligence company Anthropic in a copyright lawsuit over music lyrics told ... expert report caused by an AI "hallucination." ...