Article

Building eval systems that improve your AI product

Lenny's Newsletter · lennysnewsletter.com

Connects evals to shipping cadence rather than treating them as QA theatre.

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The question it answers

  1. How do I test an AI agent and know when it's reliable enough to trust?

Read with it

  1. The clearest official explanation of what an agent eval actually is. anthropic.com Guide Demystifying evals for AI agents Anthropic
  2. Every question you will have about evals, answered by the field's top teacher. hamel.dev Article LLM Evals: Everything You Need to Know (FAQ) Hamel Husain
  3. The philosophy behind the top-grossing evals course, free to read. hamelhusain.substack.com Article AI Evals For Engineers & Product Managers Hamel Husain
  4. The course that trained 2,000+ people, including teams at OpenAI and Anthropic. maven.com Course AI Evals For Engineers & PMs (Maven course) Hamel Husain & Shreya Shankar
  5. Video Why AI evals are the hottest new skill for product builders Lenny's Podcast (Hamel Husain & Shreya Shankar)
  6. The same masterclass in podcast form for the commute. open.spotify.com Podcast Why AI evals are the hottest new skill (audio) Lenny's Podcast
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