Ollama is an open-source platform that provides access to large language models like Llama3 by Meta. Llama3 is a powerful language model designed for various natural language processing tasks. This article will guide you through the steps to install and run Ollama and Llama3 on macOS.

First, install Ollama and download Llama3 by running the following command in your terminal:

brew install ollama
ollama pull llama3
ollama serve

Next run Open WebUI with docker:

docker run -d -p 8080:8080 --add-host=host.docker.internal:host-gateway -v open-webui:/app/backend/data --name open-webui --restart always ghcr.io/open-webui/open-webui:main

Alternatively, you can install and run open-webui with python pip:

brew install pyenv
pyenv install 3.11
pyenv virtualenv 3.11 ollama-webui
pyenv shell ollama-webui
pip install open-webui
pip install pydub
open-webui serve

Finally, you can check http://localhost:8080 in your browser.