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LangChain Python integrations

LangChain Python integrations

Integrate with providers using LangChain Python.

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LangChain offers an extensive ecosystem with 1000+ integrations across chat & embedding models, tools & toolkits, document loaders, vector stores, and more. A provider is a company or platform that hosts AI models and exposes them through an API (e.g., OpenAI, Anthropic, Google). Many providers have a dedicated langchain-<provider> package that implements one or more of LangChains standard interfaceschat models, embedding models, vector stores, and moregiving you a consistent API regardless of the underlying provider. Install the package, pick a model name, and swap providers without changing your code.

Chat models

Embedding models

Tools and toolkits

Middleware

Checkpointers

Sandboxes

To see a full list of integrations by component type, refer to the categories in the sidebar.
For a conceptual overview of how providers and models work in LangChain, including how to find model names, use new models immediately, and work with routerssee Providers and models.

All providers

See all providers or search for a provider using the search field.
If youd like to contribute an integration, see the contributing guide.
Connect these docs to Claude, VSCode, and more via MCP for real-time answers.
Edit this page on GitHub or file an issue.
All LangChain Python integration providers
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