Ollama with WebUI https://github.com/open-webui/open-webui
Open WebUI is functionally identical to the ChatGPT interface. You can even use it with the OpenAI APIs to have your own pay per use GPT 4. I did this.
https://docs.openwebui.com/getting-started/
IIUC the load balancing page is for people who want to run openwebui at a larger scale