I built a RAG system to stop hallucinating. Then it started ghosting me.
This story is from 2026-09-24. It is preserved in the archive; the latest stories are on the live feed.
A RAG system that flags its own hallucinations, compares documents side-by-side, and — five months later — taught me more about infrastructure rot than about retrieval. Five months after I first shared the live demo of this project, I opened it again to write about it — and it was completely broken…
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- 2026-09-24 09:15 · DEV Community — AI
I built a RAG system to stop hallucinating. Then it started ghosting me.