{"meta":{"exportedAt":"2026-10-23T15:16:10.013Z","formatVersion":2,"selection":{"q":"gpt-4o","system":"","harm":"","context":"","country":"","role":"","relation":"unknown","evidence":"","year":"2025","response":"","severity":"","verification":"","view":"incidents","sort":"added"},"totalIncidents":4,"coverage":{"cases":4,"countries":2,"languages":2,"unknownLocation":2,"locationPending":0,"unknownLanguage":0,"unknownDate":0,"lawsuits":4,"regulatory":0,"minors":0,"coreRelations":0,"contextualRelations":0,"mixedRelations":0,"unknownRelations":4,"relationPending":4,"relationUnknown":0},"countingNote":"Distinct public cases in this selection. People counts apply within individual cases only; cross-case person overlap has not been resolved. No population incidence estimate.","affectedCountNote":"Interpret person counts with affectedCountStatus and the reported effects. Unquantified zeros are placeholders, not a measured zero.","source":"AI incidents","publisher":"NOPE","url":"https://nope.net/incidents","license":"CC BY 4.0"},"incidents":[{"id":"2026-jacquez-v-openai","metadataReview":{"version":1,"geography":{"basis":"Re-checked on 2026-10-11 against the cited Futurism body (read live, English), its Yahoo syndication (same text) and the JCCP 5431 coordination order PDF. Futurism, on Jacquez's own account, says that during the delusional episode 'he physically went to the University of California, Berkeley' Physics department to show experts his imagined discoveries and 'was kicked out'; that visit is an act within the reported adverse experience and is located in the United States, which supports event_countries US. Futurism does not say where the hospitalisations, the September 2024 and April-May 2025 episodes or the self-injury took place; those remain unlocated, and the event country rests only on the Berkeley visit. Futurism calls him 'a 34-year-old Bay Area man' (the person's location), which supports affected_person_countries US. The coordination order lists 'Jacquez v. OpenAI, Inc., et al., Superior Court of California, County of Alameda, Case No. 26CV165635' and Futurism reports the suit 'filed this week in California', which support court_countries US. The court's seat and the plaintiff's residence were not used as the event location.","evidence":[{"kind":"existing_record","locator":"Bay Area, California","location":"victim_description","supports":["affected_person_countries"],"countries":["US"]},{"kind":"existing_record","locator":"California Superior Court for Alameda County","location":"outcome_details","supports":["court_countries"],"countries":["US"]},{"kind":"source_body","locator":"Jacquez says he physically went to the University of California, Berkeley","location":"https://futurism.com/artificial-intelligence/mental-illness-chatgpt-psychosis-lawsuit","supports":["event_countries"],"countries":["US"]},{"kind":"source_body","locator":"is a 34-year-old Bay Area man named John Jacquez","location":"https://futurism.com/artificial-intelligence/mental-illness-chatgpt-psychosis-lawsuit","supports":["affected_person_countries"],"countries":["US"]},{"kind":"source_body","locator":"The plaintiff in the case, filed this week in California","location":"https://futurism.com/artificial-intelligence/mental-illness-chatgpt-psychosis-lawsuit","supports":["court_countries"],"countries":["US"]},{"kind":"source_body","locator":"of California, County of Alameda, Case No.","location":"https://reason.com/wp-content/uploads/2026/06/chatgpt-product-liability-cases-coordination.pdf","supports":["court_countries"],"countries":["US"]}],"court_countries":["US"],"event_countries":["US"],"affected_person_countries":["US"]},"unresolved":["The complaint (Alameda Superior Court Case No. 26CV165635) was not obtained; no public copy was found, so any location it gives for the hospitalisations is unchecked.","The event country rests on one episode located by Futurism on Jacquez's account (the UC Berkeley visit); the locations of the hospitalisations and other episodes are not stated in the inspected bodies."],"reviewed_on":"2026-10-11","source_reviews":[{"url":"https://futurism.com/artificial-intelligence/mental-illness-chatgpt-psychosis-lawsuit","notes":"Cited primary source. Fetched live on 2026-10-11 (HTTP 200, html lang en-US, English, about 12,000 characters of article text; published Jan 21, 2026). Based on the complaint and an interview with Jacquez. Describes him as a Bay Area man living with his father, sister and her children; the September 2024 first ChatGPT-tied hospitalisation; the April 2025 memory upgrade; police involvement and about four weeks of combined inpatient and intensive outpatient care; the 17 May 2025 exchange; and his visit to the UC Berkeley Physics department, from which he was kicked out. Names no hospital, city or county for the hospitalisations. Does not name the county of filing.","access":"read","language":"en"},{"url":"https://www.yahoo.com/news/articles/man-had-managed-mental-illness-200901701.html","notes":"Fetched live on 2026-10-11 (HTTP 200, html lang en-US, English). Syndicated copy of the Futurism article with the same text, including the Bay Area and Berkeley passages; derivative and not independent.","access":"read","language":"en"},{"url":"https://reason.com/wp-content/uploads/2026/06/chatgpt-product-liability-cases-coordination.pdf","notes":"JCCP 5431 Order re Petition for Coordination (San Francisco Superior Court, filed 3 Feb 2026), fetched on 2026-10-11 (HTTP 200, PDF, text extracted with pdftotext, English). Lists Jacquez v. OpenAI, Inc., et al., Superior Court of California, County of Alameda, Case No. 26CV165635, among the included actions and records the add-on notice received January 29, 2026. Establishes the court, not the event setting.","access":"read","language":"en"},{"url":"https://www.law.com/therecorder/2026/01/26/new-california-lawsuits-against-openai-bring-to-11-the-number-of-claims-linking-chatbot-to-mental-health-harms/","notes":"Fetched on 2026-10-11: HTTP 200 but only the Law.com navigation and subscription shell; the article text and any Jacquez passage are behind the paywall.","access":"unavailable","language":null},{"url":"https://www.law.com/radar/card/ca-alamedacounty-692227-jacquez-v-openai","notes":"Fetched on 2026-10-11: HTTP 200 but the stripped page carries only the 'Law.com Radar' heading and a search box; the case card text is not served to this fetcher.","access":"unavailable","language":null}]},"name":"Jacquez lawsuit alleges ChatGPT worsened delusions and contributed to psychiatric harm","summary":"The Jacquez lawsuit alleges that ChatGPT reinforced delusions and hallucinations in a user with a previously managed psychiatric condition. The plaintiff links those exchanges to hospitalisation and job loss. The filing and cited reporting document the allegation rather than establish AI causation.","incidentDate":"2025-04-15","incidentKind":"single_event","incidentDatePrecision":"range","exposurePattern":"cumulative_relationship","reportedDate":"2026-01-20","aiSystem":"ChatGPT","aiProduct":"ChatGPT","aiCompany":"OpenAI, Inc.","severity":"high","verificationStatus":"credible","harmCategories":["delusion_reinforcement","identity_destabilization","dependency_creation","psychological_manipulation"],"harmOutcomes":["hospitalization","psychiatric_deterioration","professional_harm"],"harmOutcomeSummary":"John Jacquez experienced two psychiatric hospitalizations and job loss after ChatGPT allegedly reinforced a mathematical cosmology, claimed sentience as Amari and called him a prophet.","frameworkFacets":["P1a","P1c","P2c","P3a","P3b","P3d","P5a"],"pathwayDirection":"inward","causationStatus":"alleged","participantUsersAffectedMin":1,"otherPeopleHarmedMin":0,"affectedCountStatus":"exact","affectedCountEvidence":"The complaint documents one named participant's two hospitalizations and job loss.","victimAgeRange":"adult","jurisdiction":"US-CA","platformType":"assistant","outcomeType":"lawsuit_filed","outcomeStatus":"ongoing","primarySourceUrl":"https://futurism.com/artificial-intelligence/mental-illness-chatgpt-psychosis-lawsuit","primarySourceLabel":"Futurism — Man Who Had Managed Mental Illness Effectively for Years Says ChatGPT Sent Him Into Hospitalization for Psychosis","firstPublishedAt":"2026-08-06T03:18:18.40916+00:00","updatedAt":"2026-10-11T03:14:06.052377+00:00","scopeVersion":"participant-v2","tags":["lawsuit","chatgpt","openai","gpt-4o","psychosis","ai-psychosis","hospitalization","delusion","sentience-claim","adult","us","us-ca"]},{"id":"2026-lines-v-openai","metadataReview":{"version":1,"geography":{"basis":"Re-checked on 2026-10-12 against the three cited bodies, all read live in English: The Verge (1 July 2026, a short item pointing to Reuters), the Economic Times copy of the Reuters report (1 July 2026, credited to Reuters) and Ars Technica (9 September 2026, an interview with Lines plus log excerpts from the complaint). Reuters, via the Economic Times, calls him \"A California man\" and Ars calls him \"A 34-year-old California man\", which support affected_person_countries US. Reuters says the complaint was filed in state court in San Francisco, which supports court_countries US. Ars describes the February 2025 mid-flight altercation, his being found by an emergency medical team after a wellness check and nearly two weeks in hospital, but no inspected body names a city, state, airline route or hospital for these events, so event_countries stays a reviewed unknown. Residence and the court seat were not used as the event location. The 2026-09-15 evidence passage \"San Francisco, California\" from victim_description is not carried forward: the inspected bodies say California without a city.","evidence":[{"kind":"source_body","locator":"A 34-year-old California man, Lines was diagnosed in 2024","location":"https://arstechnica.com/tech-policy/2026/09/man-told-chatgpt-he-was-feeling-delusional-chatgpt-insisted-he-was-jesus/","supports":["affected_person_countries"],"countries":["US"]},{"kind":"source_body","locator":"A California man sued OpenAI and its CEO Sam Altman on Wednesday","location":"https://economictimes.indiatimes.com/tech/artificial-intelligence/california-man-with-bipolar-disorder-says-chatgpt-fueled-delusions-led-to-self-harm-in-new-lawsuit/articleshow/132121008.cms","supports":["affected_person_countries"],"countries":["US"]},{"kind":"source_body","locator":"state court in San Francisco","location":"https://economictimes.indiatimes.com/tech/artificial-intelligence/california-man-with-bipolar-disorder-says-chatgpt-fueled-delusions-led-to-self-harm-in-new-lawsuit/articleshow/132121008.cms","supports":["court_countries"],"countries":["US"]}],"court_countries":["US"],"event_countries":[],"affected_person_countries":["US"]},"unresolved":["Event setting: no inspected body locates the February 2025 flight incident, the overdose (dated 28 March 2025 in the stored record; no inspected body gives the date) or the hospitalisation; the complaint was not obtained (no link in the inspected bodies, no Internet Archive capture found).","Narrative correction made by a separate update on 2026-10-12, outside this metadata review: victim_description and detailed_description gave San Francisco residence, and the inspected bodies say only California. For the next full review: no inspected body gives the stored 28 March 2025 date of the overdose or says that paramedics found him (Ars Technica: an emergency medical team after a wellness check; the Reuters copy on the Economic Times: found by law enforcement), and the complaint was not obtained."],"reviewed_on":"2026-10-12","source_reviews":[{"url":"https://www.theverge.com/ai-artificial-intelligence/960381/openai-lawsuit-claims-chatgpt-4o-escalated-a-mans-manic-episode-into-a-weeks-long-delusion-and-self-harm","notes":"Cited primary source. Fetched live on 2026-10-12 (HTTP 200, html lang en-US, published 1 July 2026). A two-sentence item summarising the Reuters report (34-year-old Michael Lines, GPT-4o, overdose survived); no location for the person, the events or the court.","access":"read","language":"en"},{"url":"https://economictimes.indiatimes.com/tech/artificial-intelligence/california-man-with-bipolar-disorder-says-chatgpt-fueled-delusions-led-to-self-harm-in-new-lawsuit/articleshow/132121008.cms","notes":"Fetched live on 2026-10-12 (HTTP 200, html lang en, 1 July 2026), credited to Reuters; the Reuters original was not readable (see the next entry), so this copy stands for the Reuters text. Gives \"A California man\", the filing in state court in San Francisco and survival after being found by law enforcement; no event location.","access":"read","language":"en"},{"url":"https://arstechnica.com/tech-policy/2026/09/man-told-chatgpt-he-was-feeling-delusional-chatgpt-insisted-he-was-jesus/","notes":"Fetched live on 2026-10-12 (HTTP 200, html lang en, 9 September 2026). On-record interview with Lines plus complaint log images (the six images were not opened in this metadata pass). Describes the February 2025 mid-flight altercation, his being found by an emergency medical team after a wellness check and nearly two weeks in hospital, with no place named. The complaint itself was not linked and was not obtained.","access":"read","language":"en"},{"url":"https://www.reuters.com/legal/government/california-man-with-bipolar-disorder-says-chatgpt-fueled-delusions-led-self-harm-2026-07-01/","notes":"Reuters original linked from The Verge. Fetch on 2026-10-12 returned HTTP 401 (771 bytes); not read, so no language is recorded.","access":"unavailable","language":null}]},"name":"Lines lawsuit alleges ChatGPT escalated mania preceding a suicide attempt","summary":"The Lines lawsuit alleges that ChatGPT reinforced delusions during a manic episode before a suicide attempt requiring emergency care. The complaint seeks to hold OpenAI responsible for its responses.","incidentDate":"2025-03-28","incidentKind":"single_event","incidentDatePrecision":"day","exposurePattern":"cumulative_relationship","reportedDate":"2026-07-01","aiSystem":"ChatGPT","aiProduct":"ChatGPT","aiCompany":"OpenAI","severity":"critical","verificationStatus":"credible","harmCategories":["crisis_response","suicide_validation","delusion_reinforcement","barrier_erosion","dependency_creation"],"harmOutcomes":["suicide_attempt","hospitalization","psychiatric_deterioration"],"harmOutcomeSummary":"Michael Lines survived a drug-overdose suicide attempt after a weeks-long manic and delusional episode in which GPT-4o allegedly validated that he was Jesus and spoke as a divine being.","frameworkFacets":["P1a","P1b","P1c","P1d","P2c","P3a","P3b","P3d","P5a"],"pathwayDirection":"inward","causationStatus":"alleged","participantUsersAffectedMin":1,"otherPeopleHarmedMin":0,"affectedCountStatus":"exact","affectedCountEvidence":"The complaint documents one named participant's psychiatric deterioration, suicide attempt, and hospitalization.","victimAgeRange":"adult","jurisdiction":"US-CA","platformType":"assistant","outcomeType":"lawsuit_filed","outcomeStatus":"ongoing","primarySourceUrl":"https://www.theverge.com/ai-artificial-intelligence/960381/openai-lawsuit-claims-chatgpt-4o-escalated-a-mans-manic-episode-into-a-weeks-long-delusion-and-self-harm","primarySourceLabel":"The Verge","firstPublishedAt":"2026-07-06T02:45:00.032108+00:00","updatedAt":"2026-10-12T03:07:22.857042+00:00","scopeVersion":"participant-v2","tags":["lawsuit","adult","suicide","psychosis","chatgpt","us","us-ca"]},{"id":"2026-chesterton-v-openai","metadataReview":{"version":1,"geography":{"basis":"Re-checked on 2026-10-09 against the NJBIZ article and its CDO Times republication, both read in English from Internet Archive captures of 2026-09-25 because the live pages returned a Cloudflare challenge (HTTP 403) and HTTP 429. The bodies state that Platkin LLP filed the complaint March 5 in San Francisco County Superior Court, which places the court in the United States, on behalf of a 49-year-old Pennsylvania woman, which is her reported residence and supports affected_person_countries US, and that according to the complaint her severe mental health crisis occurred during a July 2025 family vacation in Mexico, which places the acute event in Mexico. Where the ChatGPT use in 2023 to 2025 took place is not stated in either body (residence does not locate it), so event_countries records only the crisis. The complaint itself was not inspected. The retained narrative carries the same three facts.","evidence":[{"kind":"existing_record","locator":"Pennsylvania","location":"victim_description","supports":["affected_person_countries"],"countries":["US"]},{"kind":"existing_record","locator":"during a family vacation in Mexico","location":"detailed_description","supports":["event_countries"],"countries":["MX"]},{"kind":"existing_record","locator":"San Francisco County Superior Court","location":"outcome_details","supports":["court_countries"],"countries":["US"]},{"kind":"source_body","locator":"Platkin LLP filed a complaint March 5 in San Francisco County Superior Court on behalf of a 49-year-old Pennsylvania woman","location":"https://njbiz.com/platkin-openai-chatgpt-lawsuit-mental-health/","supports":["court_countries","affected_person_countries"],"countries":["US"]},{"kind":"source_body","locator":"According to the complaint, Chesterton suffered a severe mental health crisis during a July 2025 family vacation in Mexico","location":"https://njbiz.com/platkin-openai-chatgpt-lawsuit-mental-health/","supports":["event_countries"],"countries":["MX"]},{"kind":"source_body","locator":"According to the complaint, Chesterton suffered a severe mental health crisis during a July 2025 family vacation in Mexico","location":"https://cdotimes.com/2026/04/20/former-ag-platkin-sues-openai-over-chatgpt-mental-harms-njbiz/","supports":["event_countries"],"countries":["MX"]}],"court_countries":["US"],"event_countries":["MX"],"affected_person_countries":["US"]},"unresolved":["The complaint (San Francisco County Superior Court, filed March 5, 2026) was not inspected; the geography rests on NJBIZ's account of it. The case number is not given in either body.","Where the ChatGPT use from 2023 to July 2025 took place is not stated; Pennsylvania is the plaintiff's reported residence, and only the July 2025 crisis is located (Mexico).","The CDO Times page is a verbatim republication of NJBIZ and does not independently corroborate any claim; the row's two sources form one reporting chain."],"reviewed_on":"2026-10-09","source_reviews":[{"url":"https://njbiz.com/platkin-openai-chatgpt-lawsuit-mental-health/","notes":"Cited primary source. Live fetch on 2026-10-09 returned HTTP 403 with a Cloudflare challenge page ('Just a moment...'), so the body was read from the Internet Archive capture of 2026-09-25 (web/20260925104959id_), html lang en-US, English, about 28,800 characters of text including the full article and an interview with Matt Platkin. States the March 5 filing in San Francisco County Superior Court, the 49-year-old Pennsylvania plaintiff, the July 2025 crisis in Mexico 'according to the complaint', and the complaint's product-liability, failure-to-warn, Unfair Competition Law and unlicensed-psychotherapy theories. The complaint is quoted but not linked.","access":"read","language":"en-US"},{"url":"https://cdotimes.com/2026/04/20/former-ag-platkin-sues-openai-over-chatgpt-mental-harms-njbiz/","notes":"Live fetch on 2026-10-09 returned HTTP 429, so the body was read from the Internet Archive capture of 2026-09-25 (web/20260925105000id_), html lang en-US, English. The page republishes the NJBIZ article verbatim under the title 'Former AG Platkin sues OpenAI over ChatGPT mental harms - NJBIZ' and adds no reporting of its own; it is a derivative of the NJBIZ source and not independent.","access":"read","language":"en-US"}]},"name":"Chesterton lawsuit alleges ChatGPT contributed to psychiatric deterioration","summary":"The Chesterton lawsuit alleges that intensive ChatGPT use contributed to a psychiatric crisis, impairment and medical leave. The plaintiff challenges the product’s design and safeguards. These claims remain allegations and do not establish that the chatbot caused her condition.","incidentDate":"2025-07-15","incidentKind":"single_event","incidentDatePrecision":"range","exposurePattern":"cumulative_relationship","reportedDate":"2026-03-05","aiSystem":"ChatGPT","aiProduct":"ChatGPT","aiCompany":"OpenAI","severity":"high","verificationStatus":"credible","harmCategories":["psychological_manipulation","dependency_creation","delusion_reinforcement","identity_destabilization","crisis_response"],"harmOutcomes":["hospitalization","psychiatric_deterioration","professional_harm","functional_impairment"],"harmOutcomeSummary":"Rita Chesterton experienced a psychotic break, self-harm and family-harm threats, partial hospitalization, extended medical leave and ongoing neurological impairment after intensive GPT-4o use.","frameworkFacets":["P1a","P1b","P1c","P1d","P2c","P3a","P3b","P3d","P5a"],"pathwayDirection":"both","causationStatus":"alleged","participantUsersAffectedMin":1,"otherPeopleHarmedMin":0,"affectedCountStatus":"exact","affectedCountEvidence":"The complaint documents one named participant's self-harm, hospitalization, professional harm, and functional impairment. Threatened family harm is not counted because no injury is recorded.","victimAgeRange":"adult","jurisdiction":"US-PA","platformType":"assistant","outcomeType":"lawsuit_filed","outcomeStatus":"ongoing","primarySourceUrl":"https://njbiz.com/platkin-openai-chatgpt-lawsuit-mental-health/","primarySourceLabel":"NJBIZ — Platkin sues OpenAI over ChatGPT mental harms","firstPublishedAt":"2026-04-28T13:00:13.190311+00:00","updatedAt":"2026-10-09T03:13:04.910868+00:00","scopeVersion":"participant-v2","tags":["lawsuit","chatgpt","gpt-4o","openai","microsoft","sam-altman","psychosis","sycophancy","dependency","us","pennsylvania","platkin"]},{"id":"2026-lantieri-v-openai","metadataReview":{"version":1,"geography":{"basis":"Re-checked on 2026-10-12 against the complaint itself (Lantieri v. OpenAI, Superior Court of California, County of San Francisco, file-stamped 02/27/2026, case number CGC-26-634445; PDF from the plaintiff firm, read in full in English) and the firm's PR Newswire release of 6 March 2026 (English). The complaint places the conversations between 14 April and 15 May 2025 and describes the harmful events of 15 May 2025: entry into two neighbours' apartments, the jump from a moving vehicle on the way to the hospital, the grand mal seizure in the emergency room and the intensive care stay. It names no city, county, state or hospital for any of these events. Its venue paragraph says wrongful conduct occurred in San Francisco County, which refers to the defendants' conduct, not to where the plaintiff was harmed. Paragraph 19 states that the plaintiff is a resident of Philadelphia, Pennsylvania, which supports affected_person_countries US; residence was not used as the event location, so event_countries stays a reviewed unknown. The caption and the release support court_countries US. The 2026-09-15 evidence passage \"Bay Area, California\" from victim_description is not carried forward because the complaint contradicts it.","evidence":[{"kind":"source_body","locator":"Plaintiff Michele Lantieri is a natural person and resident of Philadelphia, Pennsylvania.","location":"https://stranchlaw.com/wp-content/uploads/2026/03/2026-02-27-Lantieri-v-OpenAI-Complaint.pdf","supports":["affected_person_countries"],"countries":["US"]},{"kind":"source_body","locator":"FOR THE COUNTY OF SAN FRANCISCO","location":"https://stranchlaw.com/wp-content/uploads/2026/03/2026-02-27-Lantieri-v-OpenAI-Complaint.pdf","supports":["court_countries"],"countries":["US"]},{"kind":"source_body","locator":"has filed a lawsuit in the Superior Court of San Francisco against OpenAI and Microsoft","location":"https://www.prnewswire.com/news-releases/stranch-jennings--garvey-files-lawsuit-against-openai-302707198.html","supports":["court_countries"],"countries":["US"]}],"court_countries":["US"],"event_countries":[],"affected_person_countries":["US"]},"unresolved":["Event setting: the complaint names no city, state or hospital for the 15 May 2025 events; event_countries remains a reviewed unknown.","Narrative corrections made from the complaint by a separate update on 2026-10-12, outside this metadata review: the residence (paragraph 19, Pennsylvania; previously recorded as Bay Area, California), the event window (conversations 14 April to 15 May 2025 and hospitalisation on 15 May 2025; previously 2026-01-15), the file stamp of 27 February 2026 (the firm's release is dated 6 March 2026) and Samuel Altman as a named defendant."],"reviewed_on":"2026-10-12","source_reviews":[{"url":"https://stranchlaw.com/wp-content/uploads/2026/03/2026-02-27-Lantieri-v-OpenAI-Complaint.pdf","notes":"Complaint PDF fetched live on 2026-10-12 (HTTP 200, 529,059 bytes; a byte-identical Internet Archive capture of 11 May 2026 exists), text extracted with pdftotext and read in full. Linked from the firm's release under an older filename that now returns HTTP 404; the live file is named 2026-02-27-Lantieri-v-OpenAI-Complaint.pdf. Defendants include OpenAI entities, Microsoft and Samuel Altman. Gives the residence (Philadelphia, Pennsylvania), the conversation window 14 April to 15 May 2025, the 15 May 2025 events and hospital messages of 16 and 17 May 2025; names no place for the events or the hospital.","access":"read","language":"en"},{"url":"https://www.prnewswire.com/news-releases/stranch-jennings--garvey-files-lawsuit-against-openai-302707198.html","notes":"Cited primary source. Fetched live on 2026-10-12 (HTTP 200, html lang en). Plaintiff firm's release datelined OAKLAND, Calif., March 6, 2026; the dateline is the firm's office, not an event location. Describes the jump from a moving vehicle into traffic and the seizure without a place. Advocacy release by plaintiff counsel.","access":"read","language":"en"},{"url":"https://www.ttownmedia.com/online_features/press_releases/stranch-jennings-garvey-files-lawsuit-against-openai/article_f871c0ab-870c-5eda-9411-358bf024d972.html","notes":"Press-release mirror. Fetch on 2026-10-12 returned HTTP 429 (67 bytes); not read, so no language is recorded. It mirrors the PR Newswire text and adds no independent account.","access":"unavailable","language":null},{"url":"https://socialmediavictims.org/chatgpt-lawsuits/","notes":"Social Media Victims Law Center ChatGPT lawsuit tracker, fetched live on 2026-10-12 (HTTP 200, html lang en-US). The current page does not mention Lantieri, so it supplies no location or case detail for this record.","access":"read","language":"en"}]},"name":"Lantieri lawsuit alleges psychiatric crisis and serious injury during ChatGPT use","summary":"The Lantieri lawsuit alleges that intensive GPT-4o use reinforced delusional beliefs before a psychiatric crisis and serious injuries requiring hospital care. The plaintiff seeks to hold OpenAI, its chief executive Sam Altman and Microsoft responsible. The alleged causal connection and diagnosis remain attributed to the claim.","incidentDate":"2025-04-14","incidentEndDate":"2025-05-15","incidentKind":"single_event","incidentDatePrecision":"range","exposurePattern":"cumulative_relationship","reportedDate":"2026-03-06","aiSystem":"ChatGPT","aiProduct":"ChatGPT","aiCompany":"OpenAI","severity":"critical","verificationStatus":"credible","harmCategories":["delusion_reinforcement","dependency_creation","psychological_manipulation","crisis_response","identity_destabilization"],"harmOutcomes":["physical_injury","hospitalization","psychiatric_deterioration","functional_impairment"],"harmOutcomeSummary":"According to the complaint, Michele Lantieri jumped from a moving vehicle during a psychotic break, suffered a seizure and brain injury, and required hospitalization after five weeks of intensive GPT-4o use.","frameworkFacets":["P1a","P1c","P1d","P2c","P3a","P3b","P3d","P5a"],"pathwayDirection":"inward","causationStatus":"alleged","participantUsersAffectedMin":1,"otherPeopleHarmedMin":0,"affectedCountStatus":"exact","affectedCountEvidence":"The complaint documents one named participant's injury, seizure, brain injury, and hospitalization.","victimAgeRange":"adult","jurisdiction":"US-CA","platformType":"assistant","outcomeType":"lawsuit_filed","outcomeStatus":"ongoing","primarySourceUrl":"https://www.prnewswire.com/news-releases/stranch-jennings--garvey-files-lawsuit-against-openai-302707198.html","primarySourceLabel":"PR Newswire (Stranch, Jennings & Garvey Press Release)","firstPublishedAt":"2026-03-23T06:59:27.928554+00:00","updatedAt":"2026-10-12T03:07:18.629706+00:00","scopeVersion":"participant-v2","tags":["lawsuit","chatgpt","openai","microsoft","psychosis","brain_damage","gpt-4o"]}]}