kitio.aiOtio vs Proofig AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Otio starts at $7/mo and Proofig AI starts at $99 one-time. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Chat with citations
- Video and podcast summaries
- AI PDF reader and OCR
- Multiple AI models
- Zotero and cloud integrations
- Agentic research
- Manipulation detection
- Duplication and reuse detection
- AI-generated image detection
- PubMed source plagiarism check
- Private self-plagiarism database
- Octym manuscript review
| Feature | Otio | Proofig AI |
|---|---|---|
| Best for | AI research workspace for PDFs, videos and web pages | Checks scientific papers for image manipulation and reuse |
| Category | Research & search | Research & search |
| Pricing model | Freemium | Paid |
| Starting price | $7/mo | $99 one-time |
| Free plan | Yes | No |
| Made by | Otio | Proofig |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Otio starts at $7/mo and Proofig AI starts at $99 one-time. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- Limited monthly AI usage
- 10 files up to 25 MB each
- 1 space and 2 parallel chats
Lite
$7/mo billed yearly
- Agentic research and documents
- 50 uploads per day
- 2 spaces
Go
$18/mo billed yearly
- 3x more chats and research
- 250 uploads per day
- 5 spaces
Pro
$45/mo billed yearly
- 10x more chats and research
- 500 uploads per day
- Parallel research across projects
5 plans
Starter
$99 one-time
- 3 submissions
- One paper with revisions
- Valid 12 months
Growth
$249 one-time
- 8 submissions
- A year of submissions
- Valid 12 months
Pro
$399 one-time
- 14 submissions
- Several papers a year
- Valid 12 months
Pro Plus
$549 one-time
- 22 submissions
- For prolific authors
- Valid 12 months
Multi-User and Enterprise
Contact sales
- Central user management
- SSO, REST API and integrations
- Private database
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
Otio
- Cites the page for each answer
- Handles many source types
- Free plan to start
- Free plan has limited AI usage
- Prices show yearly billing by default
- Upload limits apply on each tier
Proofig AI
- Covers manipulation, duplication and AI images
- Accepts PDF, Word and image files
- Submissions are not used to train models
- Individual packages are limited to 3 to 22 submissions
- Packages expire after 12 months
- Aimed at research, not general image checks
Which one should you choose?
Choose Otio if you want:
- Cites the page for each answer
- Handles many source types
- Free plan to start
Watch out: free plan has limited ai usage.
Choose Proofig AI if you want:
- Covers manipulation, duplication and AI images
- Accepts PDF, Word and image files
- Submissions are not used to train models
Watch out: individual packages are limited to 3 to 22 submissions.
Otio vs Proofig AI FAQ
What is the difference between Otio and Proofig AI?
Otio: AI research workspace for PDFs, videos and web pages. Proofig AI: Checks scientific papers for image manipulation and reuse. Both are research & search tools.
Is Otio or Proofig AI cheaper?
Otio starts at $7/mo and Proofig AI starts at $99 one-time. Check both pricing pages for current plans.
Do Otio and Proofig AI have free plans?
Otio: Yes. Proofig AI: No.
Who makes Otio?
Otio is made by Otio.
Who makes Proofig AI?
Proofig AI is made by Proofig.
Which should I choose, Otio or Proofig AI?
Choose Otio if you value cites the page for each answer and handles many source types. Choose Proofig AI if you value covers manipulation, duplication and ai images and accepts pdf, word and image files.