The Complete Open WebUI Guide: Build Your Own Private ChatGPT (2026)

Autor: Jakub Rusinowski · Ostatnia aktualizacja: 30 lipca 2026

The complete guide to Open WebUI: turn a local model into a private, multi-user ChatGPT with document RAG, web search, image generation, voice, custom assistants, and safe remote access — all self-hosted.

• Table of contents
• What Open WebUI is and why you want it {#what-it-is}
• How the pieces fit together {#architecture}
• Installing Open WebUI {#installing}
• First launch: the admin account {#first-launch}
• Connecting your models {#connecting}
• Your first hour: a guided walkthrough {#walkthrough}
• Configuration and environment variables {#config}

You have a model running in Ollama or LM Studio. It works, but the terminal is spartan and the LM Studio window only lives on one machine. What you really want is the ChatGPT experience — a beautiful chat interface with saved conversations, folders, file uploads, web search, multiple users, and access from any device in your house — except entirely yours, entirely private, running on your own hardware. That is Open WebUI. It is the front end that turns a local model into a polished, multi-user, self-hosted AI platform. This complete guide takes you from a single Docker command to a fully featu…

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