kitio.aiPerplexity vs Insight Research
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Insight Research is completely free, while Perplexity is freemium.
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
- Scientific summaries
- Hypothesis generation
- Experimental design
- Citations
- Gene and variant lookup
- Clinical trial updates
| Feature | Perplexity | Insight Research |
|---|---|---|
| Best for | AI answer engine that searches the web and cites its sources | Medical research assistant using peer-reviewed databases |
| Category | Research & search | Research & search |
| Pricing model | Freemium | Free |
| Starting price | $20/mo | Free |
| Free plan | Yes | Yes, fully free |
| Made by | Perplexity | Insight AI |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Insight Research is completely free, while Perplexity is freemium.
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
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
Insight Research
- Free to try
- Built on peer-reviewed sources
- Includes gene, variant and trial data
- Narrow focus on biomedical research
- Outputs need expert checking
- Funded by donations, so long-term plans unclear
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 Insight Research if you want:
- Free to try
- Built on peer-reviewed sources
- Includes gene, variant and trial data
Watch out: narrow focus on biomedical research.
Perplexity vs Insight Research FAQ
What is the difference between Perplexity and Insight Research?
Perplexity: AI answer engine that searches the web and cites its sources. Insight Research: Medical research assistant using peer-reviewed databases. Both are research & search tools.
Is Perplexity or Insight Research cheaper?
Insight Research is completely free, while Perplexity is freemium.
Do Perplexity and Insight Research have free plans?
Perplexity: Yes. Insight Research: Yes, fully free.
Who makes Perplexity?
Perplexity is made by Perplexity, based in United States.
Who makes Insight Research?
Insight Research is made by Insight AI.
Which should I choose, Perplexity or Insight Research?
Choose Perplexity if you value every answer shows sources and fast and current. Choose Insight Research if you value free to try and built on peer-reviewed sources.