Apr 13, 2026 · Artificial Intelligence

From Retrieval to Answer: Three Overlooked Failure Points in RAG Pipelines

The article reveals silent failures in production RAG systems—where high retrieval scores and fluent LLM outputs still deliver incorrect answers—and proposes a four‑step observability loop (relevance gating, post‑generation evaluation, session‑wide tracing, and user‑signal logging) to detect and remediate these faults.

LLM evaluationObservabilityRAG

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From Retrieval to Answer: Three Overlooked Failure Points in RAG Pipelines