PromptTools
PromptTools is an open-source library for experimenting with, testing, and evaluating prompts, LLMs, and vector databases.

Features
PromptTools offers a playground for comparing prompts and models in three modes:
- Instruction
- Prompt template
- Model comparison
In addition to the playground, PromptTools offers and SDK for writing tests and evaluation functions to experiment with and evaluate prompts at scale.
You can check out a tutorial video here.