Open WebUI
Chat IA et assistantsA self-hosted AI chat UI compatible avec Ollama and OpenAI-compatible APIs. Capable of running fully offline.
Sommaire
Qu'est-ce que Open WebUI ?
Open WebUI is an open source, self-hosted AI chat platform. It prend en charge a large gamme de LLM runners notamment Ollama, OpenAI-compatible APIs, et plus encore, and can operate completely offline. It offers advanced fonctionnalites comme RAG (Retrieval-Augmented Generation), voice and video calls, document processing, and Python tool calling. It prend en charge 9 vector databases notamment ChromaDB, PostgreSQL, Qdrant, and Milvus, and includes prompt injection protection via LLM-Guard. It is one of the most popular self-hosted outils IA of 2026 for individuals and organizations that prioritize confidentialite.

Tarifs
Fonctionnalites principales
Avantages et inconvenients
Avantages
- ●Completely free and open source
- ●Works offline
- ●Excellent confidentialite protection
Inconvenients
- ●Requires technical knowledge comme Docker for setup
- ●japonais localization of the UI is incomplete
- ●Requires your own GPU/server
Questions frequemment posees
Q. Is Open WebUI free?
R. Oui, it is completely open source and free. However, you need a server or PC (possibly with a GPU) to run it.
Q. Qu'est-ce que the difference from Ollama ?
R. Ollama is an engine for running LLMs locally, while Open WebUI is its frontend (utilisateur interface). By connecting Open WebUI to Ollama, you can use local AI through a ChatGPT-like UI.
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