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Glossary

AI hallucination

Also: hallucination, AI error

An AI hallucination is when a model gives an answer that sounds confident but is wrong or unsupported.

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An AI hallucination is when a model gives an answer that sounds confident but is wrong or unsupported. In everyday buying decisions, the useful question is not just what the spec says, but what it changes for comfort, cost, speed, safety, or battery life.

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Why AI hallucinates, and how to catch it

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Updated Jun 26, 2026