Generative Artificial Intelligence Chatbots and Delusions From Guesswork to Emerging CasesØstergaard, Søren DinesenAuthor information1Department of Clinical Medicine Aarhus University Aarhus Denmark 2Department of Affective Disorders Aarhus University Hospital‐Psychiatry Aarhus Denmark Correspondence: Søren Dinesen Østergaard ([email protected]) Received July 24, 2025Accepted July 26, 2025Acta Psychiatrica Scandinavica 152(4):p 257-259, October 2025. | DOI: 10.1111/acps.70022Copyright © 2025 John Wiley & Sons, Inc.