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Add a first-party `langchain-openrouter` partner package (`ChatOpenRouter`) that wraps the official `openrouter` Python SDK, providing native support for OpenRouter-specific features that `ChatOpenAI` intentionally does not handle. Also adds scope-clarifying docstrings to `ChatOpenAI` / `BaseChatOpenAI` warning users away from using `base_url` overrides with third-party providers. --- Closes #31325 Closes #32967 Closes #32977 Closes #32981 Closes #33643 Closes #33757 Closes #34056 Closes #34797 Closes #34962 Supersedes #33902, #34867 (thank you @elonfeng and @okamototk for your initial work on this!) --- Bugs with upstream sdk: - https://github.com/OpenRouterTeam/python-sdk/issues/38 - https://github.com/OpenRouterTeam/python-sdk/issues/51 - https://github.com/OpenRouterTeam/python-sdk/issues/52
31 lines
1.6 KiB
Markdown
31 lines
1.6 KiB
Markdown
# langchain-openrouter
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[](https://pypi.org/project/langchain-openrouter/#history)
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[](https://opensource.org/licenses/MIT)
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[](https://pypistats.org/packages/langchain-openrouter)
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[](https://x.com/langchain)
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## Quick Install
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```bash
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pip install langchain-openrouter
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```
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## 🤔 What is this?
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This package contains the LangChain integration with [OpenRouter](https://openrouter.ai/), a unified API for hundreds of AI models across many providers.
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## 📖 Documentation
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For full documentation, see the [API reference](https://reference.langchain.com/python/integrations/langchain_openrouter/). For conceptual guides, tutorials, and examples on using these classes, see the [LangChain Docs](https://docs.langchain.com/oss/python/integrations/providers/openrouter).
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## 📕 Releases & Versioning
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See our [Releases](https://docs.langchain.com/oss/python/release-policy) and [Versioning](https://docs.langchain.com/oss/python/versioning) policies.
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## 💁 Contributing
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As an open-source project in a rapidly developing field, we are extremely open to contributions, whether it be in the form of a new feature, improved infrastructure, or better documentation.
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For detailed information on how to contribute, see the [Contributing Guide](https://docs.langchain.com/oss/python/contributing/overview).
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