By 2026, there is no single "hallucination rate" for LLMs; accuracy depends...

https://wiki-burner.win/index.php/Grok_4_has_a_50-point_gap_between_search_and_multimodal%E2%80%94should_I_care%3F

By 2026, there is no single "hallucination rate" for LLMs; accuracy depends entirely on your yardstick. Benchmarks like Vectara’s HHEM measure grounding, while others focus on factual recall