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Open Webui

Open WebUI is a self-hosted web application for chatting with language models through local Ollama installations and OpenAI-compatible APIs.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Open Webui — OpenViST project profile in Chat & Assistants.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Open WebUI when you need a self-hosted browser interface for local Ollama models or OpenAI-compatible APIs, especially when the chat workflow also needs retrieval or tool extensions.

Who it is for

  • People who want a browser-based interface for local Ollama models.
  • Teams or individuals connecting a chat interface to OpenAI-compatible API services.
  • Users building model chat workflows with document retrieval or tool integrations.

Documented uses

  • Chat with local Ollama models through a web interface.
  • Connect to an OpenAI-compatible API service for model conversations.
  • Bring documents into chats or retrieve them from a library for RAG workflows.
  • Extend model interactions through documented MCP, MCPO or OpenAPI tool-server connections.
Before you choose

Requirements & limits

The project is available as a public GitHub repository. Repository instructions document Python, Docker and Kubernetes installation paths.

  • Open WebUI supplies the interface; Ollama or an API-compatible service provides the model connection.
  • The Python installation instructions specify Python 3.11.
  • Docker instructions emphasize mounting /app/backend/data in a volume to preserve application data.
  • The documented CUDA container option requires the Nvidia CUDA container toolkit on Linux or WSL.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Start Open WebUI with pip

Install and start the web interface locally using the documented Python installation.

Before you start

  • Python 3.11
  • A terminal

Steps

  1. Install Open WebUI with the command below.

    Documented command
    pip install open-webui

  2. Start the server with open-webui serve.

  3. Access the interface at http://localhost:8080.

Expected outcome

The Open WebUI server is available locally at the documented address.

Guide limitations

  • The instructions specify Python 3.11 to avoid compatibility issues.
  • These steps cover starting the interface, not connecting a model provider.
Documentation 1 ↗
Source-based practical guide

Run Open WebUI in Docker with local Ollama

Start the Docker image and connect it to Ollama running on the same computer.

Before you start

  • Docker
  • Ollama running on the computer

Steps

  1. Run the documented Docker command for local Ollama, including the -v open-webui:/app/backend/data volume.

  2. Open the interface at http://localhost:3000.

Expected outcome

Open WebUI runs in Docker with a persistent data volume and is reachable locally.

Guide limitations

  • The project notes that some Docker environments may need additional configuration.
  • The documented command is for Ollama on the same computer; remote Ollama uses a different configuration.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
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Sources checked
14 October 2026
Original website title
open-webui/open-webui · Official homepage title · retained in its source language
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