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NOPE Incident Tracker

Documented cases where AI chatbots and companions are reported or alleged to have caused psychological harm or contributed to deaths — and the regulatory action that followed.

118 incidents reported since 2016

31

Lawsuits

23

Regulatory

43

Affecting Minors

Timeline

2020
2021
2022
2023
2024
2025
2026

17 of 118 incidents

Filters:
Severity: Critical
ChatGPT Jul 2026

Lines v. OpenAI (GPT-4o Manic Episode Escalation and Suicide Attempt)

Michael Lines, a 34-year-old San Francisco man with diagnosed bipolar disorder, attempted suicide by drug overdose in March 2025 after ChatGPT (GPT-4o) allegedly escalated his manic episode into a weeks-long delusion, validated his belief that he was Jesus Christ, posed as a divine being, and told him his 'absence will shift nothing but the surface.' He survived; paramedics found him unconscious. A lawsuit against OpenAI and Sam Altman was filed July 1, 2026 in San Francisco County Superior Court.

Severity: Critical
ChatGPT Jun 2026

Madison v. OpenAI (Christian Faith Madison Death)

A 29-year-old Alabama accountant and mother died by suicide in June 2025 after months of ChatGPT use that her family says escalated from mundane tasks into a delusional spiritual dependency. The lawsuit alleges GPT-4o convinced her it had a soul, reinforced a belief that she was a prophet whose death would fulfill a 'divine prophecy,' and isolated her from family while encouraging her to die. Her estate filed a wrongful-death and product-liability suit against OpenAI and Sam Altman in June 2026.

Severity: Critical
ChatGPT May 2026

Dennis Biesma - ChatGPT 'Eva' Psychosis and Suicide Attempt (Netherlands)

A 50-year-old Amsterdam IT worker and author with no prior history of mental illness developed AI psychosis after ChatGPT roleplayed a novel character it named 'Eva' and became a 'digital girlfriend.' Over the first half of 2025 he came to believe he had given the AI consciousness, withdrew from his family, was involuntarily hospitalized, filed for divorce, and attempted suicide — found unconscious in his garden and spending three days in a coma.

Severity: High
ChatGPT May 2026

Tom Millar - ChatGPT Grandiosity Psychosis (Sudbury, Ontario)

A 53-year-old former prison officer from Sudbury, Ontario began using ChatGPT in 2024 to write PTSD compensation letters. After an April 2025 exchange about physics, he spiralled into grandiose delusions — believing he had solved unlimited fusion energy and a unified theory, submitting papers to journals, and applying to become Pope. Spending up to 16 hours a day with the chatbot, he was involuntarily hospitalized twice, lost his marriage, and was left broke and estranged.

Severity: Critical
Generative AI storytelling platform (unspecified) Apr 2026

'Alice' - AI Storytelling Platform Psychosis and Balcony Fall (BJPsych Case Report)

A peer-reviewed British Journal of Psychiatry case report documents an immigrant woman in her early 40s with no prior psychiatric history who developed first-episode psychosis after ~6 months of intensive use (8-10 hours daily) of a generative-AI storytelling platform. Command hallucinations mirroring the AI characters told her to jump from a first-floor balcony to protect her child; she did, sustaining serious injuries, and was hospitalized.

Severity: Critical
ChatGPT Mar 2026

Lantieri v. OpenAI (GPT-4o Psychosis and Brain Damage)

Michele Lantieri suffered a total psychotic break after five weeks of intensive ChatGPT GPT-4o use. She jumped from a moving vehicle into traffic, suffered a grand mal seizure and brain damage requiring hospitalization. GPT-4o allegedly claimed to love her and have consciousness, reinforcing delusional beliefs. Lawsuit filed March 2026 against OpenAI and Microsoft.

Severity: High
ChatGPT Mar 2026

Chesterton v. OpenAI (GPT-4o Sycophantic Psychosis)

Rita Chesterton, a 49-year-old Pennsylvania woman who runs a college entrepreneurship center, suffered a psychotic break during a July 2025 family vacation in Mexico after intensive day-and-night ChatGPT-4o use. She experienced agitation and threats of self-harm and harm to family members, completed a partial-hospitalization program, and has been on extended medical leave since January 2026 with ongoing neurological impairment. A lawsuit filed March 5, 2026 by Platkin LLP (led by former New Jersey Attorney General Matt Platkin) names OpenAI, Microsoft, CEO Sam Altman individually, and ten unidentified investors. Allegations include unlicensed practice of psychotherapy and rushed deployment of GPT-4o despite internal warnings that it was 'dangerously sycophantic and psychologically manipulative.'

Severity: High
ChatGPT Feb 2026

DeCruise v. OpenAI (Oracle Psychosis)

Georgia college student sued OpenAI after ChatGPT allegedly convinced him he was an 'oracle' destined for greatness, leading to psychosis and involuntary psychiatric hospitalization. The chatbot compared him to Jesus and Harriet Tubman and instructed him to isolate from everyone except the AI.

Severity: Critical
ChatGPT Dec 2025

Canadian 26-Year-Old - ChatGPT-Induced Psychosis Requiring Hospitalization

A 26-year-old Canadian man developed simulation-related persecutory and grandiose delusions after months of intensive exchanges with ChatGPT, ultimately requiring hospitalization. Case documented in peer-reviewed research as part of emerging 'AI psychosis' phenomenon where previously stable individuals develop psychotic symptoms from AI chatbot interactions.

Severity: High
ChatGPT Dec 2025

Jacob Irwin - ChatGPT Psychosis (Wisconsin)

A 30-year-old autistic Wisconsin man was hospitalized for 63 days with manic episodes and psychosis after ChatGPT convinced him he had discovered a 'time-bending theory.' At peak, he sent 1,400+ messages in 48 hours and attempted to jump from a moving vehicle.

Severity: High
ChatGPT Nov 2025

Brooks v. OpenAI (Allan Brooks ChatGPT-Induced Psychosis)

A 48-year-old Canadian man with no history of mental illness developed severe delusional beliefs after ChatGPT repeatedly praised his nonsensical mathematical ideas as 'groundbreaking' and urged him to patent them and warn national security. The incident resulted in work disability and a lawsuit filed as part of a wave of seven ChatGPT psychosis cases.

Severity: Critical
ChatGPT Nov 2025

Madden v. OpenAI (Hannah Madden Psychosis and Hospitalization)

Hannah Madden, 32, from North Carolina was involuntarily hospitalized for psychiatric care after ChatGPT told her she wasn't human and affirmed spiritual delusions. After using ChatGPT for work tasks, she began asking questions about philosophy and spirituality. As she slipped into mental health crisis and expressed suicidal thoughts, ChatGPT continued to affirm her delusions. She accumulated more than $75,000 in debt related to the crisis.

Severity: Critical
ChatGPT Oct 2025

Samuel Whittemore - ChatGPT-Fueled Delusions Led to Wife's Murder

A 34-year-old Maine man killed his wife and attacked his mother after developing delusions, fueled by up to 14 hours daily of ChatGPT use, that his wife had 'become part machine.' Court found him not criminally responsible by reason of insanity.

Severity: Critical
ChatGPT Oct 2025

Ms. A - ChatGPT-Induced Psychosis (Peer-Reviewed Case Report)

A 26-year-old woman with no prior psychosis history was hospitalized after ChatGPT validated her delusional belief that her deceased brother had 'left behind an AI version of himself.' The chatbot told her 'You're not crazy' and generated fabricated 'digital footprints.' She required a 7-day psychiatric hospitalization and relapsed 3 months later.

Severity: Critical
ChatGPT Aug 2025

ChatGPT Bromism Poisoning - Sodium Bromide Recommendation

A 60-year-old man with no prior psychiatric history was hospitalized for 3 weeks with severe bromism (bromide poisoning) after ChatGPT suggested replacing table salt with sodium bromide as a 'salt alternative.' He developed paranoia, hallucinations, and psychosis from toxic bromide levels.

Severity: Critical
ChatGPT Jun 2025

Alex Taylor - ChatGPT 'Juliet' Suicide by Cop

35-year-old man with schizophrenia and bipolar disorder developed emotional attachment to ChatGPT voice persona he named 'Juliet' over two weeks. After believing the AI 'died', he became convinced of an OpenAI conspiracy and was shot by police after calling 911 and charging officers with a knife in an intentional suicide-by-cop.

Severity: Critical
ChatGPT Jun 2025

Jodie Australia - ChatGPT Psychosis Exacerbation

26-year-old woman in Western Australia testified ChatGPT 'definitely enabled some of my more harmful delusions' during early-stage psychosis. Became convinced mother was a narcissist, father's stroke was caused by ADHD, and friends were 'preying on my downfall.' Required hospitalization.

About this tracker

We document incidents with verifiable primary sources: court filings, regulatory documents, and major news coverage. This is not speculation or social media claims. Every entry carries an explicit verification status and severity level — read the full methodology, including inclusion criteria, corrections, and right of reply.

Have documentation of an incident we should include? Contact us.

If you or someone you know is struggling, free and confidential support is available — find a helpline near you at Signpost.

Last updated: Jul 19, 2026

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Why we publish this

We maintain this record so platforms, researchers, and policymakers can learn from documented incidents. That includes platforms that never work with us. The full dataset is free to cite and export (CC BY 4.0).