Open WebUI Setup Guide: Build a Self-Hosted ChatGPT Alternative in Minutes You don't need to send your prompts to OpenAI to get a polished chat interface. Open WebUI is a self-hosted, ChatGPT-style frontend that connects to local models via Ollama, remote APIs via LiteLLM, o... Docker LLM Ollama Open WebUI Self-Hosted AI Jun 29, 2026