langchain-aws
This package contains the LangChain integrations with AWS.
Installation
pip install -U langchain-aws
All integrations in this package assume that you have the credentials setup to connect with AWS services.
Chat Models
ChatBedrock class exposes chat models from Bedrock.
from langchain_aws import ChatBedrock
llm = ChatBedrock()
llm.invoke("Sing a ballad of LangChain.")
Embeddings
BedrockEmbeddings class exposes embeddings from Bedrock.
from langchain_aws import BedrockEmbeddings
embeddings = BedrockEmbeddings()
embeddings.embed_query("What is the meaning of life?")
LLMs
BedrockLLM class exposes LLMs from Bedrock.
from langchain_aws import BedrockLLM
llm = BedrockLLM()
llm.invoke("The meaning of life is")
Retrievers
AmazonKendraRetriever class provides a retriever to connect with Amazon Kendra.
from langchain_aws import AmazonKendraRetriever
retriever = AmazonKendraRetriever(
index_id="561be2b6d-9804c7e7-f6a0fbb8-5ccd350"
)
retriever.get_relevant_documents(quer
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