Lab

Technical deep-dives on building production AI systems. Lessons from real engagements: what works, what doesn't, and why.

2025-01-208 min read

Why Your RAG Pipeline Still Hallucinates (And How to Fix It)

Most RAG pipelines achieve 60-65% accuracy because they treat retrieval as a solved problem. Here are the five failure modes I see in every audit, and the engineering fixes that push accuracy above 85%.

RAGRetrievalEvaluationProduction