FREE GUIDES · 25 OCT 2026

9 RAG evaluation metrics, and how to measure each one

Every metric with its formula, one test case scored on all nine, and a Ragas script that runs them.

WHAT'S INSIDE

• What each of the 9 metrics checks, with the exact formula
• One refund-bot test case scored on all nine
• Which scores point at the retriever and which at the LLM
• A Ragas 0.4 script that runs all nine