https://www.hallucination-free.org/glossary/Recent content in Glossary on Hallucination-Free AIHugo -- gohugo.ioen-usSun, 11 Oct 2026 00:00:00 +0000https://www.hallucination-free.org/glossary/ai-hallucination/Sun, 11 Oct 2026 00:00:00 +0000https://www.hallucination-free.org/glossary/ai-hallucination/How should the term be used? This is our working definition. State the evaluation rule whenever you use it: false factual content and a claim unsupported by a supplied document are related but different findings. FActScore evaluates support for individual factual claims; the legal-tool reliability paper studies hallucinations in a specific professional setting. Their scopes illustrate why a definition must travel with the metric. FActScore · Legal-tool study. What is a simple example?