29 LLM Evaluation Concepts Every Engineer Needs to Know

Published on 28.04.2026

AI & AGENTS

29 LLM Evaluation Concepts Every Engineer Needs to Know

TLDR: Shipping an LLM feature without a real evaluation system is shipping vibes. This piece gives you the vocabulary, the failure modes, and a layered approach to measuring quality that actually scales beyond a few manual tests.

29 LLM Evaluation Concepts Every Engineer Needs to Know