Semantic Scholar vs Dimensions
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Semantic Scholar is completely free, while Dimensions 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
- Linked research records
- AI summaries
- Research assistant
- Grant and patent data
- Analytics API
| Feature | Semantic Scholar | Dimensions |
|---|---|---|
| Best for | Free AI-powered search engine for scientific literature | Linked research database with AI summaries and research assistant |
| 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 | Digital Science |
| Based in | United States | United Kingdom |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Semantic Scholar is completely free, while Dimensions is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Free
Free
- Free version for personal use
- Search publications and citations
Dimensions Analytics
Contact sales
- Grants, patents, trials and policy data
- Institutional analytics
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
Dimensions
- Connects papers, grants and patents
- Free basic version
- Good analytics
- Best data needs a subscription
- Complex for casual users
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 Dimensions if you want:
- Connects papers, grants and patents
- Free basic version
- Good analytics
Watch out: best data needs a subscription.
Semantic Scholar vs Dimensions FAQ
What is the difference between Semantic Scholar and Dimensions?
Semantic Scholar: Free AI-powered search engine for scientific literature. Dimensions: Linked research database with AI summaries and research assistant. Both are research & search tools.
Is Semantic Scholar or Dimensions cheaper?
Semantic Scholar is completely free, while Dimensions is freemium.
Do Semantic Scholar and Dimensions have free plans?
Semantic Scholar: Yes, fully free. Dimensions: Yes.
Who makes Semantic Scholar?
Semantic Scholar is made by Allen Institute for AI, based in United States.
Who makes Dimensions?
Dimensions is made by Digital Science, based in United Kingdom.
Which should I choose, Semantic Scholar or Dimensions?
Choose Semantic Scholar if you value completely free and huge paper index. Choose Dimensions if you value connects papers, grants and patents and free basic version.