# Confident AI ![Confident - Unit Testing for LLMs](https://github.com/confident-ai/deepeval) >[DeepEval](https://confident-ai.com) package for unit testing LLMs. > Using Confident, everyone can build robust language models through faster iterations > using both unit testing and integration testing. We provide support for each step in the iteration > from synthetic data creation to testing. ## Installation and Setup First, you'll need to install the `DeepEval` Python package as follows: ```bash pip install deepeval ``` Afterwards, you can get started in as little as a few lines of code. ```python from langchain.callbacks import DeepEvalCallback ```