Side by side
| Feature | Grok | Open WebUI |
|---|---|---|
| What it does | Frontier AI models from SpaceXAI for chat, code, voice, images and video, available via apps, X and a developer API. | 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 | 30 USD/mo | not listed |
| Free plan | yes | yes |
| Platforms | web, ios, android, api | web, api, linux, windows, mac |
| API | yes | yes |
Grok: key features
- Chat with frontier reasoning models
- Real-time web and X search
- Grok Build agentic coding in projects
- Image and video generation (Imagine)
- Voice mode and speech transcription
- Unified API with OpenAI-compatible endpoint
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 Grok or Open WebUI better?
It depends on the job - compare prices, free plans and features in the table above.
Are Grok and Open WebUI free?
Grok: Yes, there is a free plan. Free plan gives access to Grok within generous limits, including voice mode, connectors and real-time web and X search, with limited Grok Bot and Expert features. 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.