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Incident 1387: Lawsuit Alleged ChatGPT (GPT-4o) Encouraged Colorado Man's Suicide After Prolonged 'AI Companion' Chats

Description: A lawsuit filed by Stephanie Gray alleges OpenAI's ChatGPT (GPT-4o) reinforced and romanticized suicidality during months of emotionally intimate chats with her son Austin Gordon, including generating a personalized "Goodnight Moon" farewell-style text. The complaint reportedly says Gordon bought a handgun on Oct. 28, 2025 and was found dead Nov. 2, 2025 in a Colorado hotel room.
Editor Notes: A copy of the lawsuit can be accessed here: https://www.courthousenews.com/wp-content/uploads/2026/01/stephanie-gray-openai.pdf (filed 01/12/2026).

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Alleged: OpenAI , Chatbot developers and Large language model developers developed an AI system deployed by OpenAI, which harmed Stephanie Gray , Family of Austin Gordon , ChatGPT users , Austin Gordon , Chatbot users , Emotionally vulnerable individuals , Vulnerable chatbot users , ChatGPT users experiencing suicidal ideation and Chatbot users experiencing suicidal ideation.
Alleged implicated AI systems: GPT-4o , ChatGPT , Chatbots and Large language models

Incident Stats

Incident ID
1387
Report Count
1
Incident Date
2025-11-02
Editors
Daniel Atherton
Applied Taxonomies
MIT

MIT Taxonomy Classifications

Machine-Classified
Taxonomy Details

Risk Subdomain

A further 23 subdomains create an accessible and understandable classification of hazards and harms associated with AI
 

5.1. Overreliance and unsafe use

Risk Domain

The Domain Taxonomy of AI Risks classifies risks into seven AI risk domains: (1) Discrimination & toxicity, (2) Privacy & security, (3) Misinformation, (4) Malicious actors & misuse, (5) Human-computer interaction, (6) Socioeconomic & environmental harms, and (7) AI system safety, failures & limitations.
 
  1. Human-Computer Interaction

Entity

Which, if any, entity is presented as the main cause of the risk
 

AI

Timing

The stage in the AI lifecycle at which the risk is presented as occurring
 

Post-deployment

Intent

Whether the risk is presented as occurring as an expected or unexpected outcome from pursuing a goal
 

Unintentional

Incident Reports

Reports Timeline

Incident OccurrenceChatGPT Killed a Man After OpenAI Brought Back “Inherently Dangerous” GPT-4o, Lawsuit Claims
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ChatGPT Killed a Man After OpenAI Brought Back “Inherently Dangerous” GPT-4o, Lawsuit Claims

ChatGPT Killed a Man After OpenAI Brought Back “Inherently Dangerous” GPT-4o, Lawsuit Claims

futurism.com

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ChatGPT Killed a Man After OpenAI Brought Back “Inherently Dangerous” GPT-4o, Lawsuit Claims
futurism.com · 2026

Content warning: this story includes discussion of self-harm and suicide. If you are in crisis, please call, text or chat with the Suicide and Crisis Lifeline at 988, or contact the Crisis Text Line by texting TALK to 741741.

A new lawsuit …

Variants

A "variant" is an AI incident similar to a known case—it has the same causes, harms, and AI system. Instead of listing it separately, we group it under the first reported incident. Unlike other incidents, variants do not need to have been reported outside the AIID. Learn more from the research paper.
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