AI for Builders

Evaluation & Testing

How do you know if your AI feature is actually good? This series covers the evaluation mindset, testing methods, and the practical playbook for shipping AI you can trust.

4 parts · ~33 min total

  1. What Makes AI "Good"?Why you can't unit test creativity, the taxonomy of AI failures, and the evaluation methods every builder should know.~7 min3 interactive demos
  2. Evals in PracticeBuilding test sets, taming non-determinism, and the ship-or-hold decisions that separate good AI teams from great ones.~7 min3 interactive demos
  3. Harness EngineeringYou know what to measure. Now build the infrastructure that measures it — automatically, on every change, at scale.~10 min2 interactive demos
  4. LLM-as-Judge Done RightUsing one LLM to judge another sounds circular. Done right, it's the most scalable eval method you have.~9 min1 interactive demo