[How to run evals with pytest (beta) | 🦜️🛠️ LangSmith](https://docs.smith.langchain.com/evaluation/how_to_guides/pytest): LLM should read this page when setting up evaluation with pytest, integrating LangSmith with Python testing, or implementing test caching for LLM applications. The page explains how to use LangSmith's pytest plugin for evaluation, covering installation, test definition, logging inputs/outputs/feedback, test suite organization, caching requests, rich terminal outputs, parameterization, and assertion utilities like the expect API.

