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GPT-5.1 versus Psychiatrists: AI Models Compared with Doctors for the First Time in Diagnosing Mental Disorders
German researchers compared 10 large language models with 108 psychiatrists in diagnosing depression, mania, and schizophrenia. GPT-5.1 and Gemini-3-Pro-Preview reached the 64th percentile of the physician distribution. The Nature study shows that AI and humans make different types of errors in psychiatry.