Files
langchain/libs/partners/ollama
Sydney Runkle 7e926520d5 packaging: remove Python upper bound for langchain and co libs (#31025)
Follow up to https://github.com/langchain-ai/langsmith-sdk/pull/1696,
I've bumped the `langsmith` version where applicable in `uv.lock`.

Type checking problems here because deps have been updated in
`pyproject.toml` and `uv lock` hasn't been run - we should enforce that
in the future - goes with the other dependabot todos :).
2025-04-28 14:44:28 -04:00
..

langchain-ollama

This package contains the LangChain integration with Ollama

Installation

pip install -U langchain-ollama

You will also need to run the Ollama server locally. You can download it here.

Chat Models

ChatOllama class exposes chat models from Ollama.

from langchain_ollama import ChatOllama

llm = ChatOllama(model="llama3-groq-tool-use")
llm.invoke("Sing a ballad of LangChain.")

Embeddings

OllamaEmbeddings class exposes embeddings from Ollama.

from langchain_ollama import OllamaEmbeddings

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

LLMs

OllamaLLM class exposes LLMs from Ollama.

from langchain_ollama import OllamaLLM

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