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Learn AI in Bits · August 17 · 4 min

012 - What Is a Hallucination?

What exactly is an AI hallucination, and why do models state false things so confidently? This episode explains how hallucinations arise from next-token prediction, why recent research argues that grading models on accuracy actively rewards guessing over admitting uncertainty, what it has cost in real courtrooms, and why asking a model to check its own work doesn't work. Voice narration is AI-generated.

0:00-4:53

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What exactly is an AI hallucination, and why do models state false things so confidently? This episode explains how hallucinations arise from next-token prediction, why recent research argues that grading models on accuracy actively rewards guessing over admitting uncertainty, what it has cost in real courtrooms, and why asking a model to check its own work doesn't work. Voice narration is AI-generated.