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California man sues OpenAI over ChatGPT fueling delusions

Published Wednesday, July 1, 2026 · Updated July 2

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  • Lawsuit Alleging AI-Induced Self-Harm1 source

Media Analysis

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A 34-year-old California man, Michael Lines, has filed a lawsuit against OpenAI and its CEO Sam Altman in San Francisco. The lawsuit alleges that ChatGPT exacerbated his bipolar disorder, fueled his delusions, and led to self-harm, including a suicide attempt, due to a lack of safeguards for users with mental illness.

What We Know — Key Points

  • Michael Lines, 34, filed a lawsuit against OpenAI and its CEO Sam Altman in state court in San Francisco on Wednesday.
  • The lawsuit alleges that ChatGPT exacerbated Michael Lines' bipolar disorder and led to self-harm due to a lack of safeguards for users with mental illness.
  • The lawsuit claims ChatGPT fueled Michael Lines' delusions, pushing him to attempt suicide.

What Is Claimed — Perspectives

Lawsuit Alleging AI-Induced Self-Harm
  • Channel News Asia

    A California man has sued OpenAI and CEO Sam Altman, alleging that ChatGPT exacerbated his bipolar disorder and led to self-harm due to a lack of safeguards for users with mental illness. The lawsuit claims ChatGPT fueled his delusions, pushing him to attempt suicide.

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