

Free Lesson
What does a full eval suite look like in practice
30 min
Sep 17, 2026 8:00 AM
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What you'll learn
Read a finished real eval suite backwards
Open a complete suite for a live AI feature and decompose top-line accuracy, cost and latency.
Decide which layer each failure belongs in
Some failures are rules check, some need an LLM judge, some stay human-annotated. Learn how to spot the difference.
See what a regression actually looks like
Compare iterations against the full dataset and watch what one extra prompt instruction quietly breaks elsewhere.
Why this topic matters
Eval suites get talked about constantly and shown almost never. Teams build one or two scorers, run them against the cases they already know about, and call it done.
We'll read a complete eval suite of a live AI feature and show the behind the scenes: quality score, the criteria under it, then the dataset, then the showing the full iteration history. You leave with a picture of what finished looks like and a list of what's missing from yours.








