About Artificial Analysis Omniscience Hallucination Rate
Definition and scoring
Organisation
Artificial Analysis
Category
Knowledge
Version
2026
Direction
lower is better
Ranking use
Reference
Contamination risk
Unknown
A display-only Artificial Analysis factuality metric for the rate of incorrect answers among non-correct responses. Results stay tied to the exact model variant and evaluation system. Multiple systems for the same model use the best published score on this page; overall Lumina scoring uses the median of ranking-eligible rows.