In 2026, there is no "true" hallucination rate. Measuring grounding via Vectara...

https://www.last-bookmarks.win/in-2026-ai-hallucination-rates-aren-t-constants-they-are-artifacts-of-your

In 2026, there is no "true" hallucination rate. Measuring grounding via Vectara HHEM gives a different picture than testing search-based accuracy with HalluHard