langchain/libs/partners/ollama/README.md
Isaac Francisco 838464de25
ollama: init package (#23615)
Co-authored-by: Erick Friis <erick@langchain.dev>
2024-07-20 00:43:29 +00:00

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# langchain-ollama
This package contains the LangChain integration with Ollama
## Installation
```bash
pip install -U langchain-ollama
```
You will also need to run the Ollama server locally.
You can download it [here](https://ollama.com/download).
## Chat Models
`ChatOllama` class exposes chat models from Ollama.
```python
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.
```python
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.
```python
from langchain_ollama import OllamaLLM
llm = OllamaLLM(model="llama3")
llm.invoke("The meaning of life is")
```