> ## Documentation Index
> Fetch the complete documentation index at: https://docs.evidentlyai.com/llms.txt
> Use this file to discover all available pages before exploring further.

# LLM evaluations

> Run different LLM evaluation methods.

Check the video walkthough and code tutorial.

| **Tutorial**               | **Description**                                                                                                                                                                                                                                                                                                                                                                                          | **Code example**                                                                                                                         | **Video**                                                                                                                                                                                                                                                                                                                                                                                  |
| -------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| **LLM Evaluation Methods** | Tutorial with an overview of methods. <ul>   <li>   Part 1. Anatomy of a single evaluation. Covers basic LLM evaluation API and setup.</li>      <li>   Part 2. Reference-based evaluation: exact match, semantic similarity, BERTScore, and LLM judge.</li>      <li>   Part 3. Reference-free evaluation: text statistics, regex, ML models, LLM judges, and session-level evaluators.</li>      </ul> | [Open Notebook](https://github.com/evidentlyai/community-examples/blob/main/learn/LLMCourse_Tutorial_1_Intro_to_LLM_evals_methods.ipynb) | <ul>   <li>   [Video 1](https://www.youtube.com/watch?v=6JGRdMGbNCI\&list=PL9omX6impEuNTr0KGLChHwhvN-q3ZF12d\&index=3)</li>      <li>   [Video 2](https://www.youtube.com/watch?v=yD20c-KAImE\&list=PL9omX6impEuNTr0KGLChHwhvN-q3ZF12d\&index=4)</li>      <li>   [Video 3](https://www.youtube.com/watch?v=-zoIqOpt2DA\&list=PL9omX6impEuNTr0KGLChHwhvN-q3ZF12d\&index=5)</li>      </ul> |