Open WebUI is an open-source, self-hostable chat interface for local or remote LLMs (Ollama, OpenAI, Together AI, etc.), giving you a ChatGPT-style experience that can run entirely on your own machine when you pair it with local models. This AI-generated tutorial walks through how it’s built—covering the RAG pipeline, key backend routes, and its database design. Check it out here:https://github.com/zachary62/Open-WebUI-Tutorial