Microsoft Copilot vs Open WebUI
Detailed comparison to help you choose the right tool for your needs
M
Microsoft Copilot
AI assistant across Microsoft 365
3.8
Editorial RatingO
Open WebUI
ChatGPT-like interface for local and cloud LLMs
4.7
Editorial RatingQuick Comparison
Rating
3.8
vs4.7
Starting Price
Free
vsFree
Pricing Model
freemium
vsfree
Feature
Microsoft Copilot
Open WebUI
Microsoft 365 integration
Document generation
Excel formula generation
Meeting summaries in Teams
Web browsing
Image generation (DALL-E)
Chat interface
Multi-model support
RAG document upload
Web search
Multi-user support
Image generation
Microsoft Copilot Pros
- Seamless Microsoft 365 integration
- Strong for enterprise workflows
- Web browsing and citations
- DALL-E image generation included
- Meeting summaries in Teams
- Enterprise security and compliance
Microsoft Copilot Cons
- Requires Microsoft 365 subscription for full value
- Expensive at $30/user for enterprise tier
- Slower than dedicated AI tools
- Quality inconsistent across Office apps
- Less capable for coding than Copilot for GitHub
- Locked into Microsoft ecosystem
Open WebUI Pros
- Most polished open-source LLM interface available
- Works with both local Ollama models and cloud APIs
- RAG support for chatting with your own documents
- Multi-user with role-based access for team deployments
- Rapid development with frequent feature additions
- Non-technical users can interact with AI without terminal access
Open WebUI Cons
- Requires Ollama or compatible API backend — not standalone
- Resource-heavy when running alongside Ollama on the same machine
- Some advanced features still in beta
- Frequent updates occasionally introduce breaking changes
- Plugin ecosystem still maturing
- Mobile browser experience is functional but not optimized