Open WebUI
The default chat UI for solo Ollama users. Multi-model, built-in RAG, web search, Docker-friendly.
Editorial verdict: “Best default chat UI for solo Ollama users. Pick this first; switch only if you outgrow it.”
Compatibility at a glance
Which runtime + OS combos this app works against. Source of truth for "will it run on my setup?"
What it is
Open WebUI started life as 'Ollama WebUI' and now speaks to Ollama, OpenAI-compatible endpoints, and external API providers via a single config. Out of the box: multi-conversation, persistent chats, built-in RAG against uploaded files, web search hooks, image-gen integration via ComfyUI. The most popular path from 'I installed Ollama' to 'I'm using a real chat UI' for 2024-2026.
✓ Strengths
- +ChatGPT-style UX with no learning curve
- +Multi-user with workspaces (good for small teams)
- +Built-in RAG against uploaded files
- +Active development, weekly releases
△ Caveats
- −Docker is the only blessed install path; bare-metal install is unsupported
- −Some advanced features (image gen, voice) require additional services
About the Chat UI category
Web or desktop chat client that connects to your local runtime.
Where to go from here
Pre-filled with this app's recommended use case + budget tier. Get the full rig + runtime + model picks.
The full directory — filter by category, runtime, OS, privacy posture, or VRAM.
What this app talks to: Ollama, vLLM, llama.cpp, MLX, LM Studio. The upstream layer.
Did this app work for you on a specific rig? Submit the benchmark — it powers the model + hardware pages.