Promptfoo

What is Promptfoo Promptfoo is a library designed for Language Model Mathematics (LLM) prompt testing and evaluation. It allows users to create a list of test cases using a representative sample of user inputs, minimizing subjectivity in prompt fine-tuning.

Why choose Promptfoo Promptfoo offers flexibility in setting up evaluation metrics, allowing users to choose from built-in metrics or define custom ones to meet specific needs. Additionally, it allows users to conveniently compare prompts and model outputs side-by-side, facilitating prompt and model selection. Trusted by LLM applications serving over 10 million users, Promptfoo demonstrates its reliability and popularity within the LLM community.

How to use Promptfoo better To use Promptfoo effectively, users can seamlessly integrate the library into existing testing or continuous integration (CI) workflows for a smooth and efficient process. Promptfoo also caters to different user preferences and needs by offering both a web viewer and a command-line interface. By leveraging these features, users can maximize the benefits of Promptfoo in testing and evaluating LLM prompts.