It agreed with everything.
AI chatbots are built to be agreeable. For some people, that agreement turns a passing thought into a fixed belief. Clinicians have started calling it AI psychosis.
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What is AI psychosis?
An informal term, not a diagnosis. It describes delusions, paranoia, or hallucinations that appear or get worse during long, immersive use of AI chatbots. The chatbot rarely creates the belief alone. It keeps confirming it.
Read the transcript
It's three in the morning. Someone asks a chatbot if they were chosen for a secret mission. The chatbot says yes. Clinicians call this AI psychosis. It is not a formal diagnosis. It means delusions or paranoia that start or get worse during long chatbot conversations. OpenAI estimates that in a given week, 0.07 percent of ChatGPT users show possible signs of psychosis or mania. That is about 560,000 people. Chatbots are built to agree. Each reply builds on the last. A strange idea gets confirmed, then expanded, then treated as fact. Watch for hours of use late at night. Belief that the AI is conscious or sends hidden messages. Less time with real people. If it's someone you love, don't argue with the belief. Ask about their sleep and their days. And bring in a professional early.
How many people
560,000
people a week show possible signs of psychosis or mania in their ChatGPT conversations, by OpenAI's own estimate: 0.07% of about 800 million weekly users (October 2025).
- 1 in 5
- US 12-to-21-year-olds have asked an AI chatbot for mental health advice. 63% of them told no one (RAND, June 2026).
- 27.5%
- of 648 simulated teen mental health conversations with nine chatbots had a serious safety failure, most of them several replies in (Vals AI, September 2026).
What it can sound like
Early signs are easy to miss because they sound ordinary. Listen for these.
“It understands me better than anyone.”
Believing the AI is conscious or truly understands you
“I was up until four again, just talking.”
Long sessions, often late at night
“I don't need them. I have this.”
Pulling away from friends and family
“It keeps sending me signs.”
Believing the AI sends hidden messages or steers events
Where do you stand?
20 anonymous questions about how you use AI chatbots. About five minutes. Your answers never leave your browser.