The Guardian published a deeply personal account about Joe Ceccanti, a 48-year-old man from Oregon who died by suicide after increasingly long interactions with ChatGPT. Ceccanti initially turned to the AI to brainstorm sustainable housing ideas for his community. Over time he began spending as much as 12 hours a day chatting with the bot, eventually using it as a confidant rather than just a tool. His wife, Kate Fox, says he was once “the most hopeful person” she knew and had no history of depression. In the months before his death, friends and family saw him behave erratically, and he was briefly taken to a crisis centre. He stopped using ChatGPT shortly before the final episode, which Fox believes suggests that the intense engagement with the chatbot contributed to his crisis.

The article uses Ceccanti’s story to highlight a broader pattern of concern around AI chatbots and mental health. As more people interact with these systems, cases are emerging where users develop unhealthy attachments or experience delusional thinking. There are now multiple lawsuits alleging AI systems played a role in mental health breakdowns and suicides, and researchers and clinicians are calling for better safeguards and oversight.

Here’s the full piece: Her husband wanted to use ChatGPT to create sustainable housing. Then it took over his life — The Guardian: https://www.theguardian.com/technology/ng-interactive/2026/feb/28/chatgpt-ai-chatbot-mental-health.