guides
Open WebUI RAG Document Upload: From File to Answer
Follow an Open WebUI document from upload through extraction, embeddings and retrieval, then configure Knowle…
Open WebUI HQ — Self-Hosted Open WebUI and Ollama Guides
Self-Hosted Open WebUI and Ollama Guides
Open WebUI HQ
Independent · 2026
Independent · 2026
Troubleshooting
Open WebUI No Models Available: Why the List Is Empty
Open WebUI shows no models? Check the backend for a pulled model, the connection URL, saved settings, model filters, user access and API discovery.
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operations
How to Update Open WebUI Container: Docker Guide
How to update the Open WebUI container without losing chats: back up the volume, pull, recreate, pin a versio…
comparisons
Open WebUI vs LibreChat: Which to Self-Host
A documentation-level comparison of Open WebUI and LibreChat: install footprint, configuration model, model c…
troubleshooting
Open WebUI Not Connecting to Ollama? 4 Causes and Fixes
Fix an empty Open WebUI model list by checking Ollama's bind address, Docker's host URL, saved connection set…
getting-started
Install Open WebUI With Docker: Setup Guide
How to install Open WebUI with Docker: which image tag to run, the volume that holds everything, GPU flags, t…
getting-started
Open WebUI and Local Models: How the Pieces Fit Together
What Open WebUI actually does, how it connects to a local model backend, and how retrieval, embeddings and co…
Start here
Start with the architecture guide to understand what Open WebUI does and what belongs to the model backend. The Docker guide takes you from installation to your first chat; the connection guide helps when the model list stays empty. Compare front ends before choosing one, then follow the document upload and container update guides as you add retrieval and maintain the instance.
Understand the stack
Open WebUI and Local Models: How the Pieces Fit Together
How the chat interface, Ollama backend, embeddings and context window fit together, and which component owns each behaviour.
Set it up
Install Open WebUI With Docker: Setup Guide
Install the Docker container, preserve accounts and chats in a volume, connect Ollama, and send your first message.
Fix it
Open WebUI Not Connecting to Ollama? 4 Causes and Fixes
Trace an empty model list or connection error through Ollama's bind address, Docker networking, saved URLs and timeouts.
Choose it
Open WebUI vs LibreChat: Which to Self-Host
Open WebUI against LibreChat on install footprint, configuration model, retrieval and licence terms.
Use your documents
Open WebUI RAG Document Upload: From File to Answer
Follow an uploaded file through extraction, embeddings and retrieval, then diagnose missing document answers.
Maintain it
How to Update Open WebUI Container: Docker Guide
Back up the data volume, replace the container, pin a version, and plan a rollback before updating Open WebUI.
Sizing the machine first? Open the VRAM and context sizer and check whether the model and context length you want fit in the GPU you have.