Deta Surf vs Glarity
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Deta Surf is completely free, while Glarity is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Notebooks for web and files
- Chat with videos and PDFs
- Interactive graphs and applets
- Bring your own LLM key
- Local data storage
- Open-source core
- YouTube summaries
- Web page and PDF summaries
- Side-by-side page translation
- PDF chat
- AI writing assistant
- Multi-model AI chat
| Feature | Deta Surf | Glarity |
|---|---|---|
| Best for | Open-source AI notebook that pulls the web, files and notes together | Browser extension that summarizes videos and pages and translates sites |
| Category | Productivity | Productivity |
| Pricing model | Free | Freemium |
| Starting price | Free | See pricing page |
| Free plan | Yes, fully free | Yes |
| Made by | Deta | Glarity |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Deta Surf is completely free, while Glarity is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Deta Surf
- Data stored on your device
- Open-source code
- Works with your own or local models
- Beta rework still pending
- Needs your own model keys
- Early-stage software
Glarity
- Free and ad-free to start
- Works in five major browsers
- Can use your own OpenAI key
- Model names on the site look dated
- Paid plan details are hard to find
- Summary quality depends on the model
Which one should you choose?
Choose Deta Surf if you want:
- Data stored on your device
- Open-source code
- Works with your own or local models
Watch out: beta rework still pending.
Choose Glarity if you want:
- Free and ad-free to start
- Works in five major browsers
- Can use your own OpenAI key
Watch out: model names on the site look dated.
Deta Surf vs Glarity FAQ
What is the difference between Deta Surf and Glarity?
Deta Surf: Open-source AI notebook that pulls the web, files and notes together. Glarity: Browser extension that summarizes videos and pages and translates sites. Both are productivity tools.
Is Deta Surf or Glarity cheaper?
Deta Surf is completely free, while Glarity is freemium.
Do Deta Surf and Glarity have free plans?
Deta Surf: Yes, fully free. Glarity: Yes.
Who makes Deta Surf?
Deta Surf is made by Deta.
Who makes Glarity?
Glarity is made by Glarity.
Which should I choose, Deta Surf or Glarity?
Choose Deta Surf if you value data stored on your device and open-source code. Choose Glarity if you value free and ad-free to start and works in five major browsers.