Hallucinations are still a headache in 2026. Rates vary wildly by benchmark, so...

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

Hallucinations are still a headache in 2026. Rates vary wildly by benchmark, so don't trust vendor claims blindly. With the HalluHard test hitting a 30.2% failure rate even with web search, you need real data. We show how to vet models for your production