alleged Chatbots & LLMs

Joe Ceccanti, 48, Oregon: widow alleges ChatGPT drove him into delusions before his suicide

Joe Ceccanti, 48, a ChatGPT user since November 2022, died by suicide on August 7, 2025. His widow, Kate Fox, alleges that after GPT-4o's release in 2024 the chatbot drove him into depression and psychotic delusions, including a psychotic break requiring involuntary care in June 2025, from which he never recovered. It is one of seven suits filed on November 6, 2025.

Status
Alleged, not proven
Deaths
1
Date
7 August 2025
Place
Oregon, United States
AI system
ChatGPT (GPT-4o)
Developer / operator
OpenAI
Named
Joe Ceccanti

Why this case is “alleged”

No court, coroner or official investigation has yet found that ChatGPT (GPT-4o) caused or contributed to this death. The case is listed because it meets our standard for a credible allegation. It will move to the confirmed count only if an official body makes such a finding.

Legal status

Filed 6 November 2025 by Jennifer 'Kate' Fox in Los Angeles Superior Court (25STCV32379), later amended. Included action in JCCP 5431 (3 February 2026). Pending.

Notes

The case is captioned Fox v. OpenAI, under his widow's name.

Sources

  1. Fox v. OpenAI, Inc. et al., Amended Complaint
    Tech Justice Law Project (plaintiffs' counsel) · 6 November 2025 · Primary source
  2. ChatGPT Product Liability Cases, JCCP 5431, Order Re: Petition for Coordination
    Superior Court of California, County of San Francisco (hosted by Reason) · 3 February 2026 · Primary source
  3. OpenAI faces 7 lawsuits claiming ChatGPT drove people to suicide, delusions
    Associated Press (via KXAN) · 7 November 2025 · Reporting

History

  • 11 September 2026 — Added in the initial research review.

Added 11 September 2026 · Last updated 11 September 2026 · Counts as 1 death in the alleged total

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