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langchain-ollama

This package contains the LangChain integration with Ollama

Installation

pip install -U langchain-ollama

For the package to work, you will need to install and run the Ollama server locally (download).

To run integration tests (make integration_tests), you will need the following models installed in your Ollama server:

Install these models by running:

ollama pull <name-of-model>

ChatOllama class exposes chat models from Ollama.

from langchain_ollama import ChatOllama

llm = ChatOllama(model="llama3.1")
llm.invoke("Sing a ballad of LangChain.")

OllamaEmbeddings class exposes embeddings from Ollama.

from langchain_ollama import OllamaEmbeddings

embeddings = OllamaEmbeddings(model="llama3.1")
embeddings.embed_query("What is the meaning of life?")

OllamaLLM class exposes traditional LLMs from Ollama.

from langchain_ollama import OllamaLLM

llm = OllamaLLM(model="llama3.1")
llm.invoke("The meaning of life is")

19:["$","div",null,{"className":"markdown-content max-w-2xl","dangerouslySetInnerHTML":{"__html":"$1a"}}]

Dependencies of langchain-ollama (2).
Dependency	Optional
langchain-core	false
ollama	false