How Much Does Web Search Actually Reduce Hallucinations?

https://numberfields.asu.edu/NumberFields/show_user.php?userid=6655385

I’ve spent 12 years building QA pipelines for knowledge-heavy enterprise products. If I had a nickel for every time a product manager told me, "We’ll just plug in web search to solve our hallucination problem," I’d be retired in the Maldives