In 2026, there is no single "hallucination score." Reliability depends entirely...

https://lukasnpyy234.cavandoragh.org/why-did-grok-3-score-94-citation-errors-on-news-queries

In 2026, there is no single "hallucination score." Reliability depends entirely on your chosen benchmark. Comparing Vectara HHEM against AA-Omniscience reveals how differently models handle grounded reasoning versus raw creative generation