31 lines
787 B
Markdown
31 lines
787 B
Markdown
(run-on-langchain)=
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# Serving with Langchain
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vLLM is also available via [Langchain](https://github.com/langchain-ai/langchain) .
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To install langchain, run
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```console
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$ pip install langchain langchain_community -q
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```
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To run inference on a single or multiple GPUs, use `VLLM` class from `langchain`.
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```python
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from langchain_community.llms import VLLM
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llm = VLLM(model="mosaicml/mpt-7b",
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trust_remote_code=True, # mandatory for hf models
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max_new_tokens=128,
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top_k=10,
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top_p=0.95,
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temperature=0.8,
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# tensor_parallel_size=... # for distributed inference
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)
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print(llm("What is the capital of France ?"))
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```
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Please refer to this [Tutorial](https://python.langchain.com/docs/integrations/llms/vllm) for more details.
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