Cianplan

Level 5: AI / LLM systems · L5.6 Evals & guardrails

RAG metrics and regression evals in CI

Measure faithfulness and retrieval quality and catch regressions.

12 min · Pro

What you take away

  • Measure retrieval and generation separately — context recall and precision for one, faithfulness and answer relevance for the other.

And 3 more inside the class, in Pro.

How the class is laid out

  1. The problem
  2. The garage measures parts, not goodness
  3. Running it in CI without a five-figure bill
  4. Check your understanding