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New York 8th grader tests AI for stress; basic model beats ChatGPT-4o

Times of India · DistrictNews · 2026-08-22

New York 8th grader tests AI for stress; basic model beats ChatGPT-4o

Fourteen-year-old Zeynep Demirbas tested four AI models on 3,553 Reddit posts to see how accurately they could detect stress. MentalBERT performed best at about 82%, while ChatGPT-4o scored about 74%. Her findings suggest general-purpose LLMs may not be reliable enough for mental health assessment. Fourteen-year-old Zeynep Demirbas has found that ChatGPT-4o is less accurate than a mental health-focused AI model and a simpler machine-learning system at detecting stress in human

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