DeepSeek vs Lumo
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. DeepSeek is completely free, while Lumo is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Deep-thinking mode
- Web search
- File uploads
- Mobile apps
- Open-weight models
- Zero-access encrypted history
- No-logs policy
- Web search
- Proton Drive files
- Image generation
| Feature | DeepSeek | Lumo |
|---|---|---|
| Best for | Free chat app from DeepSeek with strong reasoning and coding models | Proton's encrypted AI assistant that keeps no logs of your chats |
| Category | Chat assistants | Chat assistants |
| Pricing model | Free | Freemium |
| Starting price | Free | $12.99/mo |
| Free plan | Yes, fully free | Yes |
| Made by | DeepSeek | Proton |
| Based in | China | Switzerland |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Both offer: Web search.
Pricing compared
DeepSeek is completely free, while Lumo is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Free
Free
- Limited weekly chats
- Encrypted chat history
- No logs kept
Lumo Plus
$12.99/mo
- Unlimited chats
- Extended chat history
- Larger file uploads
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
DeepSeek
- Completely free to use
- Strong math and coding answers
- Shows its reasoning steps
- Banned on some government devices
- Censors politically sensitive topics
- Servers can be busy at peak times
Lumo
- Strong privacy guarantees
- Swiss and EU hosting
- Works with Proton Drive
- Models trail top frontier models
- Fewer integrations
- Image tools are new
Which one should you choose?
Choose DeepSeek if you want:
- Completely free to use
- Strong math and coding answers
- Shows its reasoning steps
Watch out: banned on some government devices.
Choose Lumo if you want:
- Strong privacy guarantees
- Swiss and EU hosting
- Works with Proton Drive
Watch out: models trail top frontier models.
DeepSeek vs Lumo FAQ
What is the difference between DeepSeek and Lumo?
DeepSeek: Free chat app from DeepSeek with strong reasoning and coding models. Lumo: Proton's encrypted AI assistant that keeps no logs of your chats. Both are chat assistants tools.
Is DeepSeek or Lumo cheaper?
DeepSeek is completely free, while Lumo is freemium.
Do DeepSeek and Lumo have free plans?
DeepSeek: Yes, fully free. Lumo: Yes.
Who makes DeepSeek?
DeepSeek is made by DeepSeek, based in China.
Who makes Lumo?
Lumo is made by Proton, based in Switzerland.
Which should I choose, DeepSeek or Lumo?
Choose DeepSeek if you value completely free to use and strong math and coding answers. Choose Lumo if you value strong privacy guarantees and swiss and eu hosting.