Side by side
| Feature | DeepSeek | Microsoft Copilot |
|---|---|---|
| What it does | Chinese AI lab offering open-source large language models (DeepSeek-V4, R1) via a chat app, web interface and developer API. | AI chat assistant from Microsoft for creating, brainstorming, learning and solving everyday problems, with a Microsoft 365 Copilot tier for work. |
| Price from | 0.02 USD | 27.73 EUR/mo |
| Free plan | ? | trial |
| Platforms | web, ios, android, api | web, windows, mac, ios, android |
| API | yes | not stated |
DeepSeek: key features
- Chat app and web chat interface
- Open-source models such as DeepSeek-R1 and DeepSeek-V4
- OpenAI- and Anthropic-compatible API
- JSON output and tool calls
- Thinking (reasoning) mode
- 1M-token context window on the flash model
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
FAQ
Is DeepSeek or Microsoft Copilot better?
It depends on the job - compare prices, free plans and features in the table above.
Are DeepSeek and Microsoft Copilot free?
DeepSeek: The vendor does not state this clearly on the homepage or pricing page. 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.