LlamaIndex

LlamaIndex is the leading data framework for building LLM applications

Installation and Setup

You need to install the llama-index python package.

pip install llama-index

See the installation instructions.

Retrievers

LlamaIndexRetriever

It is used for the question-answering with sources over an LlamaIndex data structure.

from langchain_community.retrievers.llama_index import LlamaIndexRetriever

LlamaIndexGraphRetriever

It is used for question-answering with sources over an LlamaIndex graph data structure.

from langchain_community.retrievers.llama_index import LlamaIndexGraphRetriever