kitio.aiPerplexity vs Liner
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Liner has the lower starting price: about $18 a month, against $20 for Perplexity.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Cited answers
- Deep Research reports
- Model choice
- File uploads
- Spaces
- Cited answers
- Scholar search
- Research agents
- Web highlighter
- Search API
| Feature | Perplexity | Liner |
|---|---|---|
| Best for | AI answer engine that searches the web and cites its sources | AI research search with line-level citations and a web highlighter |
| Category | Research & search | Research & search |
| Pricing model | Freemium | Freemium |
| Starting price | $20/mo | $17.99/mo |
| Free plan | Yes | Yes |
| Made by | Perplexity | Liner |
| Based in | United States | South Korea |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Both offer: Cited answers.
Pricing compared
Liner has the lower starting price: about $18 a month, against $20 for Perplexity.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- Unlimited basic searches
- Limited Pro searches
Pro
$20/mo
- Advanced AI models
- More Pro searches and research
- File uploads
Max
$200/mo
- Highest usage limits
- Early access to new features
Enterprise Pro
$40/mo
- Per seat
- Admin and security controls
- 500 Computer credits/mo
Enterprise Max
$325/mo
- Per seat
- 15,000 Computer credits/mo
- Highest limits
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
Perplexity
- Every answer shows sources
- Fast and current
- Choice of top models
- Citations sometimes don't support claims
- Best features need Pro
Liner
- Sentence-level citations
- Good academic focus
- Handy browser extension
- Free plan limits uploads
- Many overlapping features
Which one should you choose?
Choose Perplexity if you want:
- Every answer shows sources
- Fast and current
- Choice of top models
Watch out: citations sometimes don't support claims.
Choose Liner if you want:
- Sentence-level citations
- Good academic focus
- Handy browser extension
Watch out: free plan limits uploads.
Perplexity vs Liner FAQ
What is the difference between Perplexity and Liner?
Perplexity: AI answer engine that searches the web and cites its sources. Liner: AI research search with line-level citations and a web highlighter. Both are research & search tools.
Is Perplexity or Liner cheaper?
Liner has the lower starting price: about $18 a month, against $20 for Perplexity.
Do Perplexity and Liner have free plans?
Perplexity: Yes. Liner: Yes.
Who makes Perplexity?
Perplexity is made by Perplexity, based in United States.
Who makes Liner?
Liner is made by Liner, based in South Korea.
Which should I choose, Perplexity or Liner?
Choose Perplexity if you value every answer shows sources and fast and current. Choose Liner if you value sentence-level citations and good academic focus.