kitio.aiUnderleaf vs Gatsbi
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Underleaf has the lower starting price: about $12 a month, against $20 for Gatsbi.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Handwriting to LaTeX
- PDF to LaTeX
- Table and TikZ generation
- AI edits on output
- Chrome extension
- Research idea discovery
- Manuscript drafting with citations
- Systematic review screening
- Meta-analysis plots
- Patent disclosure drafts
| Feature | Underleaf | Gatsbi |
|---|---|---|
| Best for | Converts handwritten math, PDFs and photos into compilable LaTeX | AI research assistant for paper drafts, reviews and meta-analyses |
| Category | Research & search | Research & search |
| Pricing model | Freemium | Free trial |
| Starting price | $12/mo | $19.99/mo |
| Free plan | Yes | No, trial available |
| Made by | Underleaf | Gatsbi AI Limited |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Underleaf has the lower starting price: about $12 a month, against $20 for Gatsbi.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Essentials
$12/mo
- 200 credits a month
- 10 pages per PDF
- Chrome extension
Pro
$24/mo
- 500 credits a month
- All LaTeX tools
- 20 pages per PDF
- Priority support
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Underleaf
- Handles handwriting and scans
- Output compiles without retyping
- Whole documents in one upload
- PDF conversions capped at 10 or 20 pages
- Conversion history kept only 7 to 30 days
- Free tier details are not spelled out
Gatsbi
- Covers ideation through meta-analysis
- Desktop apps for Windows and Mac
- Patent drafts in 11 languages
- Free trial lasts only one day
- Drafts need careful checking before submission
- Pricing page is hard to read
Which one should you choose?
Choose Underleaf if you want:
- Handles handwriting and scans
- Output compiles without retyping
- Whole documents in one upload
Watch out: pdf conversions capped at 10 or 20 pages.
Choose Gatsbi if you want:
- Covers ideation through meta-analysis
- Desktop apps for Windows and Mac
- Patent drafts in 11 languages
Watch out: free trial lasts only one day.
Underleaf vs Gatsbi FAQ
What is the difference between Underleaf and Gatsbi?
Underleaf: Converts handwritten math, PDFs and photos into compilable LaTeX. Gatsbi: AI research assistant for paper drafts, reviews and meta-analyses. Both are research & search tools.
Is Underleaf or Gatsbi cheaper?
Underleaf has the lower starting price: about $12 a month, against $20 for Gatsbi.
Do Underleaf and Gatsbi have free plans?
Underleaf: Yes. Gatsbi: No, trial available.
Who makes Underleaf?
Underleaf is made by Underleaf.
Who makes Gatsbi?
Gatsbi is made by Gatsbi AI Limited.
Which should I choose, Underleaf or Gatsbi?
Choose Underleaf if you value handles handwriting and scans and output compiles without retyping. Choose Gatsbi if you value covers ideation through meta-analysis and desktop apps for windows and mac.