kitio.aiSemantic Scholar vs Connected Papers
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Semantic Scholar is completely free, while Connected Papers 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
- Similarity graphs
- Prior works view
- Derivative works view
- Paper details panel
- Graph export
| Feature | Semantic Scholar | Connected Papers |
|---|---|---|
| Best for | Free AI-powered search engine for scientific literature | Visual graphs of papers related to the one you start with |
| 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 | Connected Papers |
| 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 Connected Papers 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
Connected Papers
- Quick overview of a field
- Simple to use
- Free monthly graphs
- Starts from one paper at a time
- Free plan limits graphs
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 Connected Papers if you want:
- Quick overview of a field
- Simple to use
- Free monthly graphs
Watch out: starts from one paper at a time.
Semantic Scholar vs Connected Papers FAQ
What is the difference between Semantic Scholar and Connected Papers?
Semantic Scholar: Free AI-powered search engine for scientific literature. Connected Papers: Visual graphs of papers related to the one you start with. Both are research & search tools.
Is Semantic Scholar or Connected Papers cheaper?
Semantic Scholar is completely free, while Connected Papers is freemium.
Do Semantic Scholar and Connected Papers have free plans?
Semantic Scholar: Yes, fully free. Connected Papers: Yes.
Who makes Semantic Scholar?
Semantic Scholar is made by Allen Institute for AI, based in United States.
Who makes Connected Papers?
Connected Papers is made by Connected Papers.
Which should I choose, Semantic Scholar or Connected Papers?
Choose Semantic Scholar if you value completely free and huge paper index. Choose Connected Papers if you value quick overview of a field and simple to use.