kitio.aiBLUF vs MARK•R
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. BLUF starts at See pricing page and MARK•R starts at $8/mo. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Web page summaries
- PDF and local file support
- YouTube video summaries
- Explain mode
- Follow-up questions
- Highlight-to-ask interface
- Page-aware answers
- GPT-3.5 and GPT-4 access
- Draft summaries and white papers
| Feature | BLUF | MARK•R |
|---|---|---|
| Best for | Browser extension that summarizes and explains pages, PDFs and videos | Browser plugin to question highlighted web text with AI |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | $8/mo |
| Free plan | Yes | Yes |
| Made by | BLUF | MARK•R |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
BLUF starts at See pricing page and MARK•R starts at $8/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- 15 calls per day
- GPT-3.5 model
- 2,000 highlighted characters
Standard
$8/mo
- 100 calls per day
- GPT-3.5 and GPT-4
- 2,500 highlighted characters
Pro
$12/mo
- 150 calls per day
- 5,000 highlighted characters
- 2,000 output characters
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
BLUF
- Works on pages, PDFs and videos
- Keyboard shortcut for quick access
- Explain mode for jargon
- Browser extension only
- Pricing details not published in the evidence
- Basic feature set compared with larger tools
MARK•R
- Works inline on any web page
- Uses the whole page as context
- Cheap paid tiers
- Free plan allows only 15 calls a day
- Tight character limits on each request
- GPT-4 calls count as 20 GPT-3.5 calls
Which one should you choose?
Choose BLUF if you want:
- Works on pages, PDFs and videos
- Keyboard shortcut for quick access
- Explain mode for jargon
Watch out: browser extension only.
Choose MARK•R if you want:
- Works inline on any web page
- Uses the whole page as context
- Cheap paid tiers
Watch out: free plan allows only 15 calls a day.
BLUF vs MARK•R FAQ
What is the difference between BLUF and MARK•R?
BLUF: Browser extension that summarizes and explains pages, PDFs and videos. MARK•R: Browser plugin to question highlighted web text with AI. Both are productivity tools.
Is BLUF or MARK•R cheaper?
BLUF starts at See pricing page and MARK•R starts at $8/mo. Check both pricing pages for current plans.
Do BLUF and MARK•R have free plans?
BLUF: Yes. MARK•R: Yes.
Who makes BLUF?
BLUF is made by BLUF.
Who makes MARK•R?
MARK•R is made by MARK•R.
Which should I choose, BLUF or MARK•R?
Choose BLUF if you value works on pages, pdfs and videos and keyboard shortcut for quick access. Choose MARK•R if you value works inline on any web page and uses the whole page as context.