# Hazy Research This page covers how to use the Hazy Research ecosystem within LangChain. It is broken into two parts: installation and setup, and then references to specific Hazy Research wrappers. ## Installation and Setup - To use the `manifest`, install it with `pip install manifest-ml` ## Wrappers ### LLM There exists an LLM wrapper around Hazy Research's `manifest` library. `manifest` is a python library which is itself a wrapper around many model providers, and adds in caching, history, and more. To use this wrapper: ```python from langchain.llms.manifest import ManifestWrapper ```