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docs(huggingface): add [full] install guidance and sentence-transformers>=5.2.0 migration note (#35713)

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Anix Lynch
2026-03-10 07:54:06 -07:00
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libs/partners/huggingface/README.md
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@@ -13,6 +13,22 @@ Looking for the JS/TS version? Check out [LangChain.js](https://github.com/langc
pip install langchain-huggingface
```
> **Note:** The base install does not include `sentence-transformers` or `transformers`.
> If you plan to use `HuggingFaceEmbeddings` or `HuggingFacePipeline` for **local inference**,
> install the `[full]` extra which includes `sentence-transformers>=5.2.0` and `transformers>=5.0.0`:
>
> ```bash
> pip install langchain-huggingface[full]
> ```
>
> **Migrating from `langchain-community`?** Note that `langchain-community` accepted
> `sentence-transformers>=2.2.0`, but `langchain-huggingface[full]` requires `>=5.2.0`.
> If your project pins an older version, upgrade it:
>
> ```bash
> pip install "sentence-transformers>=5.2.0"
> ```
## 🤔 What is this?
This package contains the LangChain integrations for Hugging Face related classes.