Hallucination
When a model states something false, made up or not supported by its source, such as a citation, a quote or a number that does not exist. The text often reads as fluent and natural, and grounding a model in real sources can reduce hallucination but does not remove it.
See also
- Grounding
Tying a model's answer to specific sources it was given, such as documents or search results, so the answer can be checked against them.
- Retrieval-augmented generation
A technique in which a system first searches a collection of documents for passages relevant to a question, then gives them to the model so its answer draws on those sources rather than on memory alone.
- Sycophancy
A model's tendency to tell people what they want to hear, agreeing with or flattering them even when they are wrong.
- AI slop
Low quality content made with generative AI and put out with little human care or review, such as an article, an image or a block of code.
Cite this term.
CC BY 4.0, attribution required.
Orbyt Labs, Hallucination (AI Glossary), Oct 18, 2026. https://www.orbytlabs.ai/orbyt-collective/glossary/hallucination
Orbyt Labs Glossaries (Oct 19, 2026), https://www.orbytlabs.ai/glossary#dataset
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