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

https://www.play-bookmarks.win/here-is-the-detailed-summary-78-words-by-2026-claiming-an-ai-model-is

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