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Showing content from https://python.langchain.com/docs/integrations/providers/replicate/ below:

Replicate | 🦜️🔗 LangChain

This page covers how to run models on Replicate within LangChain.

• Create a Replicate account. Get your API key and set it as an environment variable (REPLICATE_API_TOKEN)
• Install the Replicate python client with pip install replicate

Find a model on the Replicate explore page, and then paste in the model name and version in this format: owner-name/model-name:version

For example, for this dolly model, click on the API tab. The model name/version would be: "replicate/dolly-v2-12b:ef0e1aefc61f8e096ebe4db6b2bacc297daf2ef6899f0f7e001ec445893500e5"

Only the model param is required, but any other model parameters can also be passed in with the format input={model_param: value, ...}

For example, if we were running stable diffusion and wanted to change the image dimensions:

Replicate(model="stability-ai/stable-diffusion:db21e45d3f7023abc2a46ee38a23973f6dce16bb082a930b0c49861f96d1e5bf", input={'image_dimensions': '512x512'})

Note that only the first output of a model will be returned. From here, we can initialize our model:

llm = Replicate(model="replicate/dolly-v2-12b:ef0e1aefc61f8e096ebe4db6b2bacc297daf2ef6899f0f7e001ec445893500e5")

And run it:

prompt = """
Answer the following yes/no question by reasoning step by step.
Can a dog drive a car?
"""
llm(prompt)

We can call any Replicate model (not just LLMs) using this syntax. For example, we can call Stable Diffusion:

text2image = Replicate(model="stability-ai/stable-diffusion:db21e45d3f7023abc2a46ee38a23973f6dce16bb082a930b0c49861f96d1e5bf", input={'image_dimensions':'512x512'})

image_output = text2image("A cat riding a motorcycle by Picasso")

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