Ontario’s auditor general Shelley Spence speaks to media at the Ontario legislature in Toronto on Dec. 2, 2025. The Canadian Press/Sammy KoganA report by Ontario’s auditor general found that artificial intelligence (AI) scribe systems used by doctors for note-taking demonstrated inaccuracies and hallucinations during testing.The report, which examined the use of systems designed for the Ontario AI Scribe Program across the Ontario Public Service, found inaccuracies in the medical notes generated by most of the approved vendors’ AI Scribe systems. Errors included incorrect or incomplete information, and AI hallucinations—the phenomenon of AI systems generating information that appears to be credible, but is partially or wholly inaccurate.
AI Systems Used by Ontario Doctors Prone to Hallucinations, Auditor General Warns
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