---
name: Langchain
description: LangChain is an open-source framework for developing applications powered by language models. You can use OpenSearch as a vector store with LangChain for semantic search, which supports both approximate vector search powered by Lucene, NMSLIB and Faiss engines, and painless scripting and script scoring functions for brute force vector search.
owner: LangChain, Inc.
owner_link: https://python.langchain.com
link: https://python.langchain.com/docs/integrations/vectorstores/opensearch
license: MIT License
license_link: https://github.com/langchain-ai/langchain/blob/master/LICENSE
icon:
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