Side by side
| Feature | Microsoft Copilot | Open WebUI |
|---|---|---|
| What it does | AI chat assistant from Microsoft for creating, brainstorming, learning and solving everyday problems, with a Microsoft 365 Copilot tier for work. | Self-hosted AI chat interface that connects local and cloud models, with Python extensions, for individuals and organizations that want to keep control of their data. |
| Price from | 27.73 EUR/mo | not listed |
| Free plan | trial | yes |
| Platforms | web, windows, mac, ios, android | web, api, linux, windows, mac |
| API | not stated | yes |
Microsoft Copilot: key features
- AI chat assistant
- Create tool for generating content
- Prompts library
- Cowork collaboration for finishing tasks
- Custom agent building
- Copilot integrated into Word, Excel, PowerPoint, Outlook and Teams
Open WebUI: key features
- Connects to Ollama, OpenAI, Anthropic and other compatible model providers
- Local, cloud or hybrid deployment
- Retrieval over your own documents (RAG) and web search
- Python Tools and Functions for extending the platform
- Community library of prompts, models, tools and functions
- SSO, RBAC, audit logs and air-gapped deployment in enterprise options
FAQ
Is Microsoft Copilot or Open WebUI better?
It depends on the job - compare prices, free plans and features in the table above.
Are Microsoft Copilot and Open WebUI free?
Microsoft Copilot: There is a free trial. Free trial offered for the Microsoft 365 Business Premium with Copilot plan (terms linked on the page). The free tier of the basic chat is not described in the provided text. Open WebUI: Yes, there is a free plan. The open-source platform can be installed for free with pip or Docker, with no account required.