Artificial Intelligence #hallucination#artificial intelligence
New Unified Definition of AI Hallucination Pins It on Inaccurate World Modeling
A new arXiv paper by Liu et al. proposes a unified definition of hallucination in large language models, defining it as inaccurate internal world modeling observable to the user. The framework subsumes prior definitions and distinguishes true hallucinations from planning or reward errors, and introduces the HalluWorld benchmark for stress-testing models.
Jun 16, 2026 1 source