Everyone claims their model is grounded, but the data tells a different story....

https://dibz.me/blog/gemini-2-0-flash-001-at-0-7-hallucination-rate-why-your-production-pipeline-needs-a-reality-check-1160

Everyone claims their model is grounded, but the data tells a different story. In 2026, hallucination rates swing wildly depending on which benchmark you trust. For example, HalluHard still shows a 30.2% error rate even with live web search enabled