Building Production-Grade LLM Evaluation Pipelines: From Vibes to Metrics

How we replaced "looks good to me" with automated evaluation catching 92% of hallucinations before deployment

The Problem: Why "Vibe Checks" Fail in Production

Three months ago, our team shipped a RAG-based customer support assistant. It worked great in testing — we'd ask it questions, read the answers, and say "yeah, that looks right."

Then it hit production.