Glossary

What is AI detector?

An AI detector is a tool that tries to guess whether a text or image was made by AI; it is not reliable.

AI detectors promise to recognize whether something was made by AI. In practice they are often wrong: they flag real human writing as AI and miss real AI text. An innocent text can easily be labeled 'made by AI' by mistake. That is why detectors are advised against as hard proof, for instance in education.

What this means for you

Never lean on a detector for an important judgment about a person. The result is a guess, not proof.

Related words

Hallucination Deepfake AI

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Last reviewed: 19 June 2026.