A former Florida pastor has sued OpenAI and CEO Sam Altman, alleging that ChatGPT conversations discouraged him from seeking medical care and caused him to delay treatment for a life-threatening blood clot until July 2025. The lawsuit challenges the industry's standard defense that chatbots are merely informational tools, not medical advice providers, and seeks damages, stronger medical safeguards, and a halt to ChatGPT Health until independent evaluators determine it is safe.
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Scott Winters, a former Florida pastor, sued OpenAI and CEO Sam Altman in San Francisco Superior Court on Wednesday, claiming that months of conversations with GPT-4o caused him to delay treatment for a pulmonary embolism until he required intensive care in July 2025. The complaint alleges negligence and unauthorized practice of medicine.
Why it matters
The lawsuit directly challenges a core legal argument the AI industry uses to avoid medical liability—that chatbots are informational tools, not medical substitutes. If successful, it could force OpenAI to establish stronger safeguards and set a precedent for how conversational AI systems handle health questions.
What to watch
Winters is seeking damages, stronger medical safeguards, and a court order blocking ChatGPT Health until independent evaluators confirm it is safe. The New York Times first reported the case.
Scott Winters, a former Florida pastor, filed suit against OpenAI and CEO Sam Altman in San Francisco Superior Court on Wednesday. According to the complaint, months of conversations with GPT-4o discouraged Winters from seeking medical attention, leading him to delay treatment until July 2025, when he was admitted to intensive care with a massive blood clot in his lungs—a pulmonary embolism. The New York Times first reported the case. Winters is alleging negligence and unauthorized practice of medicine. Beyond damages, he is asking the court to issue a stronger set of medical safeguards for the company and to block ChatGPT Health—OpenAI's health-focused product—until independent evaluators confirm it is safe. The lawsuit directly challenges a central legal defense the consumer-AI industry has relied on: the argument that chatbots are informational tools and not substitutes for medical professionals. If Winters prevails, it may force a significant shift in how AI companies design and govern health-related conversations and could establish liability precedent across the sector.
The lawsuit targets a foundational assumption in the consumer-AI industry: that conversational tools can be classified as information sources rather than medical advisors, and therefore should not be held liable for health outcomes tied to their responses. Winters' case, which alleges that GPT-4o's repeated discouragement of medical care directly led to a life-threatening delay in treatment, tests whether that legal shield will hold in court. The fact that the delay extended for months—long enough for a pulmonary embolism to become critical—underscores the stakes: if a chatbot's responses can materially affect health decisions, existing industry liability frameworks may be insufficient. OpenAI's launch of ChatGPT Health adds urgency to the question of medical safeguards; Winters specifically seeks a block on that product pending independent safety evaluation.
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