kitio.aiDuck.ai vs Ptero
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Ptero is completely free, while Duck.ai is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Anonymous chats
- Several model providers
- Local chat history
- Image uploads
- Built into DuckDuckGo browser
- Multiple AI models
- No signup required
- Local-first chat history
- Projects with custom files
- Public API
| Feature | Duck.ai | Ptero |
|---|---|---|
| Best for | DuckDuckGo's private chat with popular models and no account needed | Free, no-signup AI chat with several models and local history |
| Category | Chat assistants | Chat assistants |
| Pricing model | Freemium | Free |
| Starting price | $9.99/mo | Free |
| Free plan | Yes | Yes, fully free |
| Made by | DuckDuckGo | Ptero.pro |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
Ptero is completely free, while Duck.ai is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Free
Free
- Private AI chat, no account needed
- Access to popular models
DuckDuckGo Subscription
$9.99/mo
- Access to more advanced models
- Higher usage limits
- Includes VPN and privacy tools
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
Duck.ai
- No account or tracking
- Free access to good models
- Paid plan bundles a VPN
- Fewer tools than ChatGPT
- Top models need a subscription
- Limited file handling
Ptero
- Completely free with no paid tier
- Chats stay in your browser
- Has an API for developers
- Clearing browser data deletes chats
- Model lineup can change anytime
- Small non-profit project
Which one should you choose?
Choose Duck.ai if you want:
- No account or tracking
- Free access to good models
- Paid plan bundles a VPN
Watch out: fewer tools than chatgpt.
Choose Ptero if you want:
- Completely free with no paid tier
- Chats stay in your browser
- Has an API for developers
Watch out: clearing browser data deletes chats.
Duck.ai vs Ptero FAQ
What is the difference between Duck.ai and Ptero?
Duck.ai: DuckDuckGo's private chat with popular models and no account needed. Ptero: Free, no-signup AI chat with several models and local history. Both are chat assistants tools.
Is Duck.ai or Ptero cheaper?
Ptero is completely free, while Duck.ai is freemium.
Do Duck.ai and Ptero have free plans?
Duck.ai: Yes. Ptero: Yes, fully free.
Who makes Duck.ai?
Duck.ai is made by DuckDuckGo, based in United States.
Who makes Ptero?
Ptero is made by Ptero.pro.
Which should I choose, Duck.ai or Ptero?
Choose Duck.ai if you value no account or tracking and free access to good models. Choose Ptero if you value completely free with no paid tier and chats stay in your browser.