What the video covers

  • Big-picture introduction to evaluating LLM applications: what quality means for LLM-powered apps, the general process for running evaluations, and specific scenarios like regression testing and prompt comparison 0:02.

The two moments when evaluations matter

  1. Pre-deployment — while building the product, to make sure it's good enough before shipping 0:22.
  2. In production — once deployed, to make sure it works as expected in the real world 0:22.
  • This video focuses on pre-deployment evaluation 0:22.

Next: Why evaluating LLMs is hard