In 2026, there is no single "truth" for hallucination rates; your risk profile...

https://www.bookmark-fuel.win/hallucination-rates-in-2026-aren-t-universal-they-depend-on-your-benchmark

In 2026, there is no single "truth" for hallucination rates; your risk profile depends entirely on the benchmark you choose. While Vectara’s HHEM measures factual grounding, suites like AA-Omniscience prioritize reasoning failures differently