Garbage In, Hallucinations Out: How Clean Data Drives LLM Performance

This article argues that the biggest driver of LLM reliability in enterprise environments is not model selection, but data quality. Focusing heavily on RAG architectures, it explains how duplicate records, stale information, inconsistent formatting, and incomplete datasets create hallucinations and retrieval failures, while outlining the characteristics of AI-ready data pipelines built around validation, enrichment, and standardization.