Hallucination Meaning

What does Hallucination mean?

The polite industry word for an AI inventing a fact, source, quote, API endpoint, or court case while sounding absolutely certain.

In plain English, this term is useful when people are talking about AI culture, model behavior, GPT-style writing, or the weird social layer forming around new AI tools.

Origin and usage

Adopted across AI research and product discussions for model outputs that are fluent but unsupported by reality.

Standard term in AI evaluation and product discussions, though some critics argue it softens the severity of fabricated output.

Primary reference

Examples

• The AI did not lie on my resume, it hallucinated my NASA internship.
• Always check the docs it cites; it loves to hallucinate endpoints.

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