kitio.aiPdfGPT.io vs Linnk AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. PdfGPT.io starts at See pricing page and Linnk AI starts at $15/mo. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- PDF summaries
- Page-linked citations
- Chat with multiple PDFs
- Exam notes
- Quizzes and study guides
- Large file support
- Layout-preserving translation
- PDF, DOCX and PPT support
- Research paper chat
- Document to mind map
- Browser extension
- Agent CLI
| Feature | PdfGPT.io | Linnk AI |
|---|---|---|
| Best for | Ask questions across PDFs and get page-linked answers | Document translator and summarizer that keeps the original layout |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | $15/mo |
| Free plan | Yes | Yes |
| Made by | PdfGPT.io | Linnk AI |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
PdfGPT.io starts at See pricing page and Linnk AI starts at $15/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Essential
$15/mo
- 8 file credits per month
- Files up to 20 MB and 50 pages
- Unlimited summaries
Professional
$20/mo
- 20 file credits per month
- Files up to 100 MB and 100 pages
Premium
$45/mo
- 40 file credits per month
- Files up to 300 MB and 300 pages
Volume
$85/mo
- 80 file credits per month
- For teams and high volume
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
PdfGPT.io
- Citations let you verify answers
- Handles very long documents
- Does not train on your files
- Free use is limited
- Plan details not visible on the homepage
Linnk AI
- Keeps formatting in translated files
- Covers 154 languages and dialects
- Unlimited summaries on paid plans
- Free preview without an account
- File credits are limited each month
- Scanned files cost four credits each
- Annual billing needed for the low prices
Which one should you choose?
Choose PdfGPT.io if you want:
- Citations let you verify answers
- Handles very long documents
- Does not train on your files
Watch out: free use is limited.
Choose Linnk AI if you want:
- Keeps formatting in translated files
- Covers 154 languages and dialects
- Unlimited summaries on paid plans
Watch out: file credits are limited each month.
PdfGPT.io vs Linnk AI FAQ
What is the difference between PdfGPT.io and Linnk AI?
PdfGPT.io: Ask questions across PDFs and get page-linked answers. Linnk AI: Document translator and summarizer that keeps the original layout. Both are productivity tools.
Is PdfGPT.io or Linnk AI cheaper?
PdfGPT.io starts at See pricing page and Linnk AI starts at $15/mo. Check both pricing pages for current plans.
Do PdfGPT.io and Linnk AI have free plans?
PdfGPT.io: Yes. Linnk AI: Yes.
Who makes PdfGPT.io?
PdfGPT.io is made by PdfGPT.io.
Who makes Linnk AI?
Linnk AI is made by Linnk AI.
Which should I choose, PdfGPT.io or Linnk AI?
Choose PdfGPT.io if you value citations let you verify answers and handles very long documents. Choose Linnk AI if you value keeps formatting in translated files and covers 154 languages and dialects.