Problem
The assistant could answer generally, but there was no objective way to know when it was wrong.
Case study
`Helpy` is a fictional SaaS support assistant used to demonstrate how an AI eval workflow can establish a baseline, catch failure modes, compare versions, and produce a practical recommendation.
Results
Faithfulness
v1 0.07
v2 0.88
Answer relevancy
v1 0.08
v2 0.73
Context precision
v1 0.00
v2 0.95
The assistant could answer generally, but there was no objective way to know when it was wrong.
A fixed question set and eval metrics compared the baseline against a retrieval-backed version.
The team gets a clear view of what improved, what still fails, and what should block release.