The 5 Best RAG Evaluation Tools You Should Know in 2026
TL;DR
Evaluating Retrieval-Augmented Generation (RAG) systems requires specialized tooling to measure retrieval quality, generation accuracy, and end-to-end performance. This comprehensive guide covers the five essential RAG evaluation platforms: Maxim AI (end-to-end evaluation and observability), LangSmith (LangChain-native tracing), Arize Phoenix (open-source observability), Ragas (research-backed metrics framework), and DeepEval (pytest-style testing)