In 2026, there’s no single "hallucination rate" for LLMs. Accuracy depends...

https://wiki-club.win/index.php/Is_HaluEval_Broken_if_a_Length_Rule_Gets_93.3%25_Accuracy%3F

In 2026, there’s no single "hallucination rate" for LLMs. Accuracy depends entirely on how you measure it. Testing against the HalluHard benchmark might show error rates as high as 30