open-webui/open-webui - OSS Alternative - Discover Top Open Source Alternatives to Popular Software
Self-hosted AI Chat Platform
133.9k 2026-04-24

open-webui/open-webui

A user-friendly, self-hosted AI platform providing a powerful interface for interacting with various LLMs, including Ollama and OpenAI-compatible APIs, with advanced RAG capabilities.

Core Features

Effortless setup via Docker or Kubernetes.
Seamless integration with Ollama and OpenAI-compatible APIs (LMStudio, GroqCloud, etc.).
Advanced local RAG with multiple vector databases and content extraction engines.
Built-in Model Builder for creating custom Ollama models and agents.
Native Python Function Calling and multimodal voice/video interaction.

Detailed Introduction

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform designed for private and offline AI interactions. It serves as a powerful deployment solution by supporting various LLM runners like Ollama and OpenAI-compatible APIs. With its built-in inference engine for Retrieval Augmented Generation (RAG), granular permissions, and a suite of advanced features like model building and function calling, Open WebUI empowers users to manage and interact with AI models securely and efficiently, offering a customizable and controlled environment for AI deployment.

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