kitio.aiPerplexity vs Thesify
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Perplexity starts at $20/mo and Thesify starts at See pricing page. Check both pricing pages for current plans.
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
- Manuscript pre-submission review
- Journal recommender
- Related article suggestions
- Feedback chat
- Coauthor research agents
- Citation help
| Feature | Perplexity | Thesify |
|---|---|---|
| Best for | AI answer engine that searches the web and cites its sources | AI pre-submission review and writing workspace for academics |
| Category | Research & search | Research & search |
| Pricing model | Freemium | Paid |
| Starting price | $20/mo | See pricing page |
| Free plan | Yes | No |
| Made by | Perplexity | Thesify |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Perplexity starts at $20/mo and Thesify starts at See pricing page. Check both pricing pages for current plans.
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
4 plans
Single Review
€14.95 one-time
- One manuscript review
- Full PDF feedback report
3 Reviews
€39.95 one-time
- Draft, revision and resubmission
Monthly
€24.95/mo
- 3 reviews a month
- AI chat credit included
- Unused reviews roll over
Yearly
€149.95/yr
- 3 reviews a month
- Lowest cost per review
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
Thesify
- Minutes instead of weeks for feedback
- Single reviews without a subscription
- Unused reviews roll over
- Prices are in euros
- Coauthor trial is not free
- Feedback doesn't replace peer review
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 Thesify if you want:
- Minutes instead of weeks for feedback
- Single reviews without a subscription
- Unused reviews roll over
Watch out: prices are in euros.
Perplexity vs Thesify FAQ
What is the difference between Perplexity and Thesify?
Perplexity: AI answer engine that searches the web and cites its sources. Thesify: AI pre-submission review and writing workspace for academics. Both are research & search tools.
Is Perplexity or Thesify cheaper?
Perplexity starts at $20/mo and Thesify starts at See pricing page. Check both pricing pages for current plans.
Do Perplexity and Thesify have free plans?
Perplexity: Yes. Thesify: No.
Who makes Perplexity?
Perplexity is made by Perplexity, based in United States.
Who makes Thesify?
Thesify is made by Thesify.
Which should I choose, Perplexity or Thesify?
Choose Perplexity if you value every answer shows sources and fast and current. Choose Thesify if you value minutes instead of weeks for feedback and single reviews without a subscription.