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

https://papa-wiki.win/index.php/How_Did_Web_Search_Drop_Citation_Errors_from_38.6%25_to_7.0%25%3F

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