10 MIN READ • PEER-REVIEWED PRIMER

Prompt Evaluation & Evals-Driven Development

Moving beyond vibe-based testing into automated assertion suites and golden benchmark datasets.

Dr. Julian SterlingPromptdex Research

Never deploy prompt changes to production based on how good 2 outputs looked in a web chat interface. Establishing an Evals pipeline with ground-truth assertions (exact match, semantic similarity, and LLM-as-a-judge scoring) is the prerequisite for engineering predictability.