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open-webui

Free

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Model APIsFreeFree tier
Type
Open Source
Visit Website GitHub (135.3k stars)

About open-webui

Open WebUI is a self-hosted AI platform that gives users complete control over their AI stack. Connect any model—local or cloud—including Ollama, OpenAI, Anthropic, and compatible APIs. Extend functionality with Python pipelines, share tools and prompts with a community of over 459,000 members, and protect data with on-premises or air-gapped deployment. Features include voice, vision, retrieval-augmented generation (RAG), search, and enterprise-grade capabilities like SSO, RBAC, and audit logs. With 360M+ downloads and 146K+ GitHub stars, Open WebUI is built for individuals, teams, and regulated industries who want sovereignty over their AI.

Key Features

Connect to any model: Ollama, OpenAI, Anthropic, and compatible APIs
Extend with Python: custom pipelines and functions
Self-hosted: on-premises, air-gapped, or cloud deployment
Voice, vision, retrieval (RAG), generation, and search capabilities
Enterprise features: SSO, RBAC, audit logs, data residency
Community library with shared prompts, models, tools, and functions
One-command install via pip or Docker, no account required

Pros & Cons

Pros
  • Full control over data and models with self-hosting
  • Broad model compatibility (local and cloud APIs)
  • Active community with millions of downloads and thousands of shared assets
  • Extensible via Python for custom functionality
  • Enterprise-grade security features (SSO, RBAC, audit logs) for free
  • Simple installation with pip or Docker
Cons
  • Requires self-hosting knowledge and infrastructure
  • No managed cloud service; all setup and maintenance is user-managed
  • Enterprise support requires contacting the team for pricing

Best For

Running AI workloads on private infrastructure for data sovereigntyEnterprise AI deployment with compliance and access controlBuilding and sharing custom AI tools within a communityPrototyping and extending AI pipelines with PythonSelf-hosting AI for personal or small team use without vendor lock-in

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FAQ

What models does Open WebUI support?
Open WebUI connects to Ollama, OpenAI, Anthropic, and any compatible API, allowing both local and cloud models.
Is Open WebUI free and open source?
Yes, Open WebUI is open source and free to use. Enterprise options with additional support are available.
How do I install Open WebUI?
You can install it with a single command: 'pip install open-webui' or using Docker. No account required.
Can I extend Open WebUI with custom code?
Yes, you can extend it with Python pipelines and functions, enabling custom tools and integrations.