kitio.aiSemantic Scholar vs Liner
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Semantic Scholar is completely free, while Liner 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
- Cited answers
- Scholar search
- Research agents
- Web highlighter
- Search API
| Feature | Semantic Scholar | Liner |
|---|---|---|
| Best for | Free AI-powered search engine for scientific literature | AI research search with line-level citations and a web highlighter |
| Category | Research & search | Research & search |
| Pricing model | Free | Freemium |
| Starting price | Free | $17.99/mo |
| Free plan | Yes, fully free | Yes |
| Made by | Allen Institute for AI | Liner |
| Based in | United States | South Korea |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Semantic Scholar is completely free, while Liner is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- Unlimited Advanced Search
- 1 file upload per day
- Answers with ads
Pro
$17.99/mo
- 300+ AI models
- All Liner products
- Ad-free search
Max
$35.99/mo
- Everything in Pro
- Higher usage limits
Team
$26.99/mo
- Per seat, 2-20 members
- Everything in Max
- Admin controls and central billing
- Team data excluded from training
Enterprise
Contact sales
- Dedicated manager
- Audit logs
- Volume discounts
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
Liner
- Sentence-level citations
- Good academic focus
- Handy browser extension
- Free plan limits uploads
- Many overlapping features
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 Liner if you want:
- Sentence-level citations
- Good academic focus
- Handy browser extension
Watch out: free plan limits uploads.
Semantic Scholar vs Liner FAQ
What is the difference between Semantic Scholar and Liner?
Semantic Scholar: Free AI-powered search engine for scientific literature. Liner: AI research search with line-level citations and a web highlighter. Both are research & search tools.
Is Semantic Scholar or Liner cheaper?
Semantic Scholar is completely free, while Liner is freemium.
Do Semantic Scholar and Liner have free plans?
Semantic Scholar: Yes, fully free. Liner: Yes.
Who makes Semantic Scholar?
Semantic Scholar is made by Allen Institute for AI, based in United States.
Who makes Liner?
Liner is made by Liner, based in South Korea.
Which should I choose, Semantic Scholar or Liner?
Choose Semantic Scholar if you value completely free and huge paper index. Choose Liner if you value sentence-level citations and good academic focus.