Andrew Dietrich, a prominent attorney at Sullivan & Cromwell, issued an apology to a judge after submitting a court filing filled with errors, including fabricated references generated by AI.

Andrew Dietrich, a prominent attorney at Sullivan & Cromwell, apologized to a judge after submitting a court filing rife with errors, including fabricated references generated by AI. In his apology letter, he noted over forty mistakes, which were identified by opposing counsel, exacerbating the situation. Dietrich attributed the errors to AI "hallucinations," where tools create false legal references or misrepresent citations. Despite existing safeguards intended to protect documents from such issues, they were not followed in this instance, raising concerns about the effectiveness of these measures.