kitio.aiSemantic Scholar vs ReadPaper
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Semantic Scholar is completely free, while ReadPaper 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
- Academic translation
- AI-assisted reading
- Literature search
- Reference management
- AI polishing (beta)
| Feature | Semantic Scholar | ReadPaper |
|---|---|---|
| Best for | Free AI-powered search engine for scientific literature | AI paper reader with translation, search and reference management |
| Category | Research & search | Research & search |
| Pricing model | Free | Freemium |
| Starting price | Free | See pricing page |
| Free plan | Yes, fully free | Yes |
| Made by | Allen Institute for AI | ReadPaper |
| Based in | United States | China |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Semantic Scholar is completely free, while ReadPaper is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
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
ReadPaper
- Side-by-side academic translation
- Large citation graph
- Data is private by default
- Interface is mainly in Chinese
- Free library limited to 200 papers
- Some features are still in beta
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 ReadPaper if you want:
- Side-by-side academic translation
- Large citation graph
- Data is private by default
Watch out: interface is mainly in chinese.
Semantic Scholar vs ReadPaper FAQ
What is the difference between Semantic Scholar and ReadPaper?
Semantic Scholar: Free AI-powered search engine for scientific literature. ReadPaper: AI paper reader with translation, search and reference management. Both are research & search tools.
Is Semantic Scholar or ReadPaper cheaper?
Semantic Scholar is completely free, while ReadPaper is freemium.
Do Semantic Scholar and ReadPaper have free plans?
Semantic Scholar: Yes, fully free. ReadPaper: Yes.
Who makes Semantic Scholar?
Semantic Scholar is made by Allen Institute for AI, based in United States.
Who makes ReadPaper?
ReadPaper is made by ReadPaper, based in China.
Which should I choose, Semantic Scholar or ReadPaper?
Choose Semantic Scholar if you value completely free and huge paper index. Choose ReadPaper if you value side-by-side academic translation and large citation graph.