Beyond vibe checks: A PM’s complete guide to evals

How to master the emerging skill that can make or break an AI product

2025-04-083,558 words2 claims11 podcast connections

Consensus3+ guests independently agreeSynthesisLenny combined multiple guest insightsCurationAmplified one guest's ideaOriginalLenny's own addition

AI evals are the single most important new skill for product managers working on AI products — more important than prompt engineering.

Consensusrecommendation6 connections

5 supports1 extend

The best AI evals combine automated metrics with human judgment — neither alone is sufficient for measuring AI product quality.

Consensusframework5 connections

3 supports2 extends