In 2026, there is no universal “hallucination rate.” Accuracy depends entirely...

https://www.bookmark-zulu.win/by-2026-hallucination-rate-is-a-fragmented-metric-you-cannot-trust-a-single

In 2026, there is no universal “hallucination rate.” Accuracy depends entirely on which benchmark you prioritize. A model might ace TruthfulQA but still trip up on grounded, domain-specific queries in Vectara’s HHEM. We’ve watched teams overlook a 28