Hallucination
A generated statement that is unsupported, fabricated, or inconsistent with the available evidence despite being presented as plausible output.
Boundaries
Hallucination is not limited to invented facts; unsupported citations, fabricated tool results, or unjustified certainty are also forms of ungrounded generation.
Related Concepts
- Grounding
- Retrieval-Augmented Generation
- Model Evaluation
- Verification