RAG Evaluation Guide: Metrics, Frameworks & LLM Evaluation in Production

A practical guide to RAG evaluation metrics โ€” faithfulness, context precision, context recall, and LLM-as-judge โ€” and how to run evaluation in production using RAGAS, DeepEval, and LangSmith.

February 15, 2026 ยท 14 min ยท Akshay Uppal