Key terms

What is an AI hallucination?

A hallucination is an AI output that is fluent and confident but false or unsupported by its sources, such as an invented citation or a function that does not exist. Detecting one usually means checking the output against a reliable source.

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The full answer

A hallucination is an AI system output that is fluent and confident but false or unsupported by its sources, such as an invented citation or a function that does not exist. Detecting it usually requires checking the output against a reliable source.

Read moreGlossaryMethodology: how we label evidence

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