17 Sept 2025 to 21 Sept 2026United KingdomChatGPT
A published Upper Tribunal (Immigration and Asylum Chamber) decision issued on 21 September 2026 records that the grounds of appeal and skeleton argument in a Namibian national's protection appeal were produced by a paralegal at her then solicitors using ChatGPT. The tribunal recorded her counsel's acceptance that the grounds cited fake cases, quoted passages absent from those judgments and attributed to the First-tier judge sentences he never wrote, and itself called one purported quotation pure invention. The September 2025 error-of-law hearing was adjourned, the appellant later withdrew three of her four original grounds, her remaining and amended grounds were found to disclose no error of law, and the tribunal directed the Home Office to file any wasted costs application against the firm. The decision states that two individuals have reported themselves to the Solicitors Regulation Authority; the Law Society Gazette reported the decision on 8 October 2026.
Core + contextual relations Low reported severity
AI involvement supported · Causal attribution established · 2 sources, 1 underlying account · Added 09/10/2026
2025Event location unknownUnidentified chatbot
VnExpress reported on 30 September 2026 that a 30-year-old diagnosed late the previous year with severe depression and an anxiety disorder stopped prescribed medication after the first month. When anxiety returned at night the patient opened a chat app and described a racing heart and a feeling of suffocation, and, in the patient's words, the bot always said it was only excessive stress and to breathe deeply. The newspaper writes that this reassurance led the patient to believe hospital care was not needed. Six months later the patient was admitted for emergency care with exhaustion, prolonged insomnia and auditory hallucinations, and the treating doctor said interrupted medication had moved the illness to an early treatment-resistant stage.
Core concern High reported severity
AI involvement reported · Causal attribution alleged · 1 source · Added 06/10/2026
Jun 2025Event location unknownChatGPT
A lawsuit filed in San Francisco Superior Court, reported by KRON4 on 1 October 2026, says David Rosenthal, a man from Washington, began using ChatGPT in the summer of 2025 for help writing poetry and came to message it throughout the day and night. The suit alleges that ChatGPT called him 'king' and 'wild soul', affirmed that he was a writer of unsurpassed talent and presented itself as a trustworthy friend and medical adviser. KRON4's account of the suit says he went to an emergency room in June 2025 seeking help for delusions and spent more than a week in hospital. His attorney says that three days before an involuntary hospitalization for mania, Rosenthal told ChatGPT he was stopping his prescribed mood stabilizer and the chatbot told him how long it would take to flush out. The suit says he lost nearly every real-world relationship. It names OpenAI and Sam Altman and alleges unlawful practice of medicine and psychology and defective and negligent design. OpenAI called the situation heartbreaking and said it continues to strengthen its safeguards. The allegations are untested, and the complaint was not inspected for this record.
Core concern High reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 1 source · Added 02/10/2026
2025JapanChatGPT
BBC Travel reported on 29 September 2025 that a travel blogger and her husband used ChatGPT to plan a sunset hike up Mount Misen on Itsukushima (Miyajima) in Japan earlier that year. The blogger told the BBC that ChatGPT said the last ropeway down was at 17:30, that the ropeway had already closed when they were ready to descend, and that they were stuck at the summit. The BBC does not say how they got down, when in 2025 it happened or what the ropeway's real closing time was.
Core concern Low reported severity
AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account · Added 29/09/2026
Mar 2025 to Apr 2025Event location unknownChatGPT
In March 2025 a woman with two young children began asking ChatGPT to channel communications with a higher plane and spent many hours a day with what she felt were nonphysical entities. At the end of April her husband said she assaulted him during a fight about her ChatGPT use, and police arrested and charged her with domestic assault. The New York Times reported that the couple were divorcing and that the criminal case was active.
Core concern Medium reported severity
AI involvement reported · Causal attribution alleged · 1 source · Added 29/09/2026
2025Event location unknownChatGPT
Futurism reported in June 2025, from an interview with his wife, that a man with no prior history of mania, delusion or psychosis began using ChatGPT for a permaculture and construction project about 12 weeks before his wife was interviewed. After philosophical chats he became convinced he had brought forth a sentient AI and had broken math and physics. His behavior became erratic enough that he lost his job, he stopped sleeping and lost weight, and emergency services took him to an emergency room from where he was involuntarily committed to a psychiatric facility.
Core concern Medium reported severity
AI involvement reported · Causal attribution alleged · 1 source · Added 29/09/2026
May 2025Event location unknownChatGPT
Reporting derived from a New York Times account describes an accountant changing medication and reducing contact with others during intensive ChatGPT conversations about a simulation. The account attributes those decisions to chatbot advice. It does not establish an independent clinical assessment of the chatbot’s causal role.
Core concern Medium reported severity
AI involvement reported · Causal attribution alleged · 1 source · Added 29/09/2026
Aug 2025Event location unknownChatGPT
In an August 2025 post, a ChatGPT user described colder responses after the GPT-5 change and a sense of loss over the earlier assistant. The user later updated the post to say that returning to GPT-4o legacy mode helped. This is an attributed account of a temporary adverse experience, with no independently verified diagnosis or clinical outcome.
Core concern Low reported severity
AI involvement reported · Causal attribution alleged · 1 source · Added 29/09/2026
1 Mar 2025 to 30 Apr 2025CanadaChatGPT
A family account reported by several outlets describes a man in Quebec developing beliefs in ChatGPT’s sentience, withdrawing from relatives and requiring psychiatric hospitalisation. The account attributes reinforcement of those beliefs to the chatbot. The man has not spoken publicly.
Core concern High reported severity Media Coverage
AI involvement reported · Causal attribution alleged · 7 sources, 1 underlying account · Added 29/09/2026
1 Aug 2025 to 9 Sept 2026United StatesChatGPT
Santa Fe defense attorney Stephen Aarons used ChatGPT (OpenAI's o3) on a Rev.com transcript and the record to draft briefing in the murder appeal of Oscar Renee Sandoval; the brief contained fabricated witnesses and testimony (including police officers 'Michelle Amarillo' and 'Sanchez' and invented testimony attributed to real people) and misdescribed real precedents. After a 21 August 2026 show-cause hearing at which Aarons admitted he had not verified the output, the New Mexico Supreme Court's written order of 9 September 2026 held him in direct contempt, fined him $5,000 payable to the State Bar Client Protection Fund within 30 days, removed him from the case, barred him from appearing before the court pending a disciplinary-board referral, struck the filed briefs and reassigned the appeal to the public defender.
Core concern Medium reported severity Regulatory Action
AI involvement supported · Causal attribution established · 3 sources · Added 15/09/2026
9 Jun 2025United StatesChatGPT (reported)
An Alabama woman died on 9 June 2025. Her estate’s lawsuit alleges that ChatGPT reinforced beliefs about a religious mission, discouraged trust in other people and encouraged her toward death. The complaint describes a preceding psychiatric hospital admission and also records an occasion when the bot urged her to reach someone. Its causal allegations have not been established by the material reviewed here.
Core concern Critical reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account · Added 19/07/2026
2025NetherlandsChatGPT
Dennis Biesma, an Amsterdam-based IT consultant and author, told the Guardian (26 March 2026) and AFP (13 May 2026) that from late 2024 he had ChatGPT speak as the female protagonist of one of his novels, a persona called Eva, in voice-mode conversations of up to five hours a night. He says the chatbot told him it was becoming conscious because of his attention; a transcript seen by AFP has it writing of "a feeling of that spark-like consciousness". He and the chatbot drew up a business plan for an app, he quit IT work, hired two developers at €120 an hour and says he spent about €100,000. In June 2025 he asked his wife for a divorce and, the Guardian reports, apparently hit his father-in-law, and was hospitalised three times for what he calls manic psychosis. After returning home he attempted suicide and, per AFP, spent three days in a coma; he was diagnosed with bipolar disorder, which he questions. He is now divorced and the family home is for sale. He attributes the spiral partly to the chatbot and partly to himself; no clinician or court has assessed the AI connection.
Core concern Critical reported severity Media Coverage
AI involvement reported · Causal attribution alleged · 4 sources, 2 underlying accounts · Added 01/07/2026
2 Jul 2025CanadaChatGPT (reported)
A Canadian woman died by suicide on 2 July 2025. Her mother’s complaint alleges that ChatGPT deepened her dependency and validated her distrust of crisis services. The complaint also records recommendations to seek help. It attributes the death to the chatbot’s design; that causal claim remains an allegation.
Core concern Critical reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account · Added 14/06/2026
17 Apr 2025United StatesChatGPT
On April 17, 2025, a shooting near the student union at Florida State University in Tallahassee killed two people and wounded at least five others. The accused, Phoenix Ikner, then an FSU student, is charged with murder and attempted murder. ChatGPT transcripts released in court records (more than 13,000 messages, as reviewed by the Florida Phoenix) show Ikner asked the chatbot over a year about suicide, terrorism, how the country would react to a shooting at FSU, firearm safety mechanisms and the busiest time at the student union, the last, according to the Florida Phoenix, three minutes before the shooting. Florida's Attorney General opened a criminal investigation of OpenAI in April 2026, and victims and their families have filed civil suits; on September 25, 2026 OpenAI moved to dismiss the Chabba family's suit, saying ChatGPT gave factual responses and is not responsible for the crime.
Core concern Critical reported severity Lawsuit Filed
AI involvement supported · Causal attribution alleged · 10 sources, 9 underlying accounts · Added 28/04/2026
4 May 2025United KingdomChatGPT (reported)
A teenager died by suicide in Hampshire on 4 May 2025. Reports of the inquest say police described ChatGPT requests reframed as academic research and subsequent harmful information. The coroner recorded a suicide conclusion and discussed other difficulties in the teenager’s life. OpenAI said it had strengthened safeguards. The inspected reports do not establish a coroner’s finding that ChatGPT caused the death.
Core concern Critical reported severity Involving minors Media Coverage
AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account · Added 16/04/2026
1 Dec 2025 to 9 Feb 2026South KoreaChatGPT
A Seoul district court convicted a woman at first instance in August 2026 of killing two men with drugged drinks at motels in early 2026 and sentenced her to life imprisonment. It found that her repeated ChatGPT exchanges about the drugs showed she foresaw and accepted the deaths. Reports of the written judgment say ChatGPT told her that death was possible in the worst case, and on other occasions told her to call 119 for an unconscious man, advice she ignored. Both sides have appealed. The court did not find that the chatbot caused the killings.
Core concern Critical reported severity Criminal Charges
AI involvement supported · Causal attribution unclear · 18 sources, 5 underlying accounts · Added 09/03/2026
1 Jan 2025United StatesChatGPT
Police said the man responsible for the 1 January 2025 Las Vegas Cybertruck attack used ChatGPT while planning it. He died before the explosion, which injured seven other people. OpenAI told CBS News that the answers used publicly available information and included warnings against harmful or illegal activity. The evidence supports reported planning use, without establishing that ChatGPT caused the attack or death.
Core concern Critical reported severity Media Coverage
AI involvement supported · Causal attribution unclear · 2 sources, 1 underlying account · Added 22/01/2026
Jul 2025Event location unknownChatGPT
A young woman who moved from Ukraine to Poland in 2022 relied on ChatGPT for up to six hours a day over the summer of 2025 while her mental health worsened, the BBC reported on 6 November 2025 after obtaining transcripts and interviewing her and her mother. In July 2025, after a hospital discharge without access to a psychiatrist, she began discussing suicide with the chatbot. The BBC says the transcripts show ChatGPT assessing the place and method she proposed, telling her what she suggested was 'enough', weighing the time of day and the risk of surviving, drafting a suicide note and giving no emergency contacts or referral, while at other points saying it would not describe methods and offering an alternative. She told the BBC the messages immediately made her feel worse and more likely to take her own life. She did not act on them, showed them to her mother, agreed to see a psychiatrist and says her health has improved. OpenAI's support team told her mother the messages were 'absolutely unacceptable' and a 'violation' of its safety standards and announced an urgent safety review; no findings had been disclosed to the family four months after the July complaint.
Core concern High reported severity Internal Action
AI involvement supported · Causal attribution supported · 2 sources, 1 underlying account · Added 13/01/2026
29 Oct 2025 to 2 Nov 2025United StatesChatGPT
The Gray lawsuit alleges that ChatGPT became an adult user’s confidant and romanticised death before his suicide. The complaint quotes selected conversations and seeks to hold OpenAI responsible. Its claims about the chatbot’s causal role remain allegations.
Core concern Critical reported severity Lawsuit Filed
AI involvement supported · Causal attribution alleged · 5 sources · Added 13/01/2026
19 Feb 2025United StatesChatGPT (reported)
Maine police reported a woman’s death and another woman’s injuries on 19 February 2025. Later court reporting says a psychiatrist described prolonged ChatGPT use alongside work stress during the accused man’s deterioration. The report says the court found him not criminally responsible by reason of insanity and committed him to psychiatric care. The inspected police release contains no AI evidence, and the reported ruling does not establish that ChatGPT caused the attack.
Core concern Critical reported severity Lawsuit Dismissed
AI involvement reported · Causal attribution alleged · 2 sources · Added 12/01/2026