kitio.aiSemantic Scholar vs Rayyan
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Semantic Scholar is completely free, while Rayyan is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Paper search
- TLDR summaries
- Research feeds
- Semantic Reader
- Free API
- AI relevance ranking
- Blind screening
- Duplicate detection
- PICO extraction
- Team collaboration
| Feature | Semantic Scholar | Rayyan |
|---|---|---|
| Best for | Free AI-powered search engine for scientific literature | AI-assisted screening platform for systematic and literature reviews |
| Category | Research & search | Research & search |
| Pricing model | Free | Freemium |
| Starting price | Free | $8.33/mo |
| Free plan | Yes, fully free | Yes |
| Made by | Allen Institute for AI | Rayyan |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Semantic Scholar is completely free, while Rayyan is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- 3 active reviews
- Invite 2 free reviewers
- Limited mobile app access
Essential
$8.33/mo
- Billed quarterly
- PRISMA flow diagrams
- Invite 5 free reviewers
Advanced
$13.33/mo
- Billed quarterly
- 9 active reviews
- Invite 10 free reviewers
Business / Academic
$41.67/mo
- Per license, billed annually
- Minimum 5 licenses
- ResearchPilot AI
- Invite 250 free reviewers
Enterprise
Custom
- Unlimited reviews and viewers
- SSO / SAML
- Rayyan API
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
Semantic Scholar
- Completely free
- Huge paper index
- Useful public API
- No chat-style answers
- Full text not always available
Rayyan
- Standard tool in health research
- Free plan available
- Speeds up screening
- Interface feels dated
- Few active reviews on free plan
Which one should you choose?
Choose Semantic Scholar if you want:
- Completely free
- Huge paper index
- Useful public API
Watch out: no chat-style answers.
Choose Rayyan if you want:
- Standard tool in health research
- Free plan available
- Speeds up screening
Watch out: interface feels dated.
Semantic Scholar vs Rayyan FAQ
What is the difference between Semantic Scholar and Rayyan?
Semantic Scholar: Free AI-powered search engine for scientific literature. Rayyan: AI-assisted screening platform for systematic and literature reviews. Both are research & search tools.
Is Semantic Scholar or Rayyan cheaper?
Semantic Scholar is completely free, while Rayyan is freemium.
Do Semantic Scholar and Rayyan have free plans?
Semantic Scholar: Yes, fully free. Rayyan: Yes.
Who makes Semantic Scholar?
Semantic Scholar is made by Allen Institute for AI, based in United States.
Who makes Rayyan?
Rayyan is made by Rayyan.
Which should I choose, Semantic Scholar or Rayyan?
Choose Semantic Scholar if you value completely free and huge paper index. Choose Rayyan if you value standard tool in health research and free plan available.