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

https://www.bookmarking-maze.win/in-2026-hallucination-rate-is-a-hollow-metric-without-context-using-vectara

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