Wednesday, April 22, 2026

A.I. ‘Hallucinations’ Created Errors in Court Filing, Top Law Firm Says; The New York Times, April 21, 2026

  , The New York Times; A.I. ‘Hallucinations’ Created Errors in Court Filing, Top Law Firm Says

Sullivan & Cromwell apologized for submitting a court document that had fake citations created by artificial intelligence.

"An elite Wall Street law firm has apologized to a federal judge for submitting a court filing replete with errors created by artificial intelligence, including “hallucinations” that fabricated case citations.

The A.I.-generated errors came in a recent motion in U.S. Bankruptcy Court in Manhattan and were discovered by lawyers from an opposing firm, Andrew Dietderich, a partner at Sullivan & Cromwell, wrote in a letter to Judge Martin Glenn on April 18."

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