Her husband wanted to use ChatGPT to create sustainable housing. Then it took over his life.

Kate Fox says Joe Ceccanti was the ‘most hopeful person’ before he started spending 12 hours a day with a chatbot On 7 August, Kate Fox received a phone call that upended her life. A medical examiner said that her husband, Joe Ceccanti – who had been missing for several hours – had jumped from a railway overpass and died. He was 48. Fox couldn’t believe it. Ceccanti had no history of depression, she said, nor was he suicidal – he was the “most hopeful person” she had ever known. In fact, acco...

By Varsha Bansal with photographs by Clayton Cotterell