kitio.aiLumo vs Wiz.chat
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Wiz.chat 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
- Zero-access encrypted history
- No-logs policy
- Web search
- Proton Drive files
- Image generation
- In-browser local model
- AI characters
- No sign-up
- Private conversations
| Feature | Lumo | Wiz.chat |
|---|---|---|
| Best for | Proton's encrypted AI assistant that keeps no logs of your chats | Free AI character chat that runs locally in your Chrome browser |
| Category | Chat assistants | Chat assistants |
| Pricing model | Freemium | Free |
| Starting price | $12.99/mo | Free |
| Free plan | Yes | Yes, fully free |
| Made by | Proton | Wiz.chat |
| Based in | Switzerland | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Wiz.chat 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
Lumo
- Strong privacy guarantees
- Swiss and EU hosting
- Works with Proton Drive
- Models trail top frontier models
- Fewer integrations
- Image tools are new
Wiz.chat
- Completely free
- Chats never leave your computer
- Nothing to install
- Needs a GPU and recent Chrome
- Still in alpha
- Smaller local models are less capable
Which one should you choose?
Choose Lumo if you want:
- Strong privacy guarantees
- Swiss and EU hosting
- Works with Proton Drive
Watch out: models trail top frontier models.
Choose Wiz.chat if you want:
- Completely free
- Chats never leave your computer
- Nothing to install
Watch out: needs a gpu and recent chrome.
Lumo vs Wiz.chat FAQ
What is the difference between Lumo and Wiz.chat?
Lumo: Proton's encrypted AI assistant that keeps no logs of your chats. Wiz.chat: Free AI character chat that runs locally in your Chrome browser. Both are chat assistants tools.
Is Lumo or Wiz.chat cheaper?
Wiz.chat is completely free, while Lumo is freemium.
Do Lumo and Wiz.chat have free plans?
Lumo: Yes. Wiz.chat: Yes, fully free.
Who makes Lumo?
Lumo is made by Proton, based in Switzerland.
Who makes Wiz.chat?
Wiz.chat is made by Wiz.chat.
Which should I choose, Lumo or Wiz.chat?
Choose Lumo if you value strong privacy guarantees and swiss and eu hosting. Choose Wiz.chat if you value completely free and chats never leave your computer.