PDF.ai vs Perplexity AI vs Smallpdf AI PDF vs UPDF

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
PDF.ai
vs
Competitor 1
Perplexity AI
Competitor 2
Smallpdf AI PDF
Competitor 3
UPDF
Compare
4 tools · best value per row highlighted
Your tool PDF.ai
pdf.ai
PDF.ai lets you chat with any PDF: ask questions, get summaries and find answers inside the document.
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Competitor Perplexity AI
perplexity.ai
Search that gives answers instead of links
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Competitor Smallpdf AI PDF
smallpdf.com
Smallpdf AI PDF, also called Chat with PDF, lets you upload a document and talk to it.
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Competitor UPDF
pdfassistant.ai
PDFs that work the way you need them to
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Traffic estimated monthly website traffic
Monthly visits
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95.2Mvisits/mo
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28.7Kvisits/mo
MoM change
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▼ 8.2%
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▼ 28.2%
6-month growth
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-42.9%
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-27.5%
Global rank web
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#446
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#984,401
Avg. last 3 months
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104.9M
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40.4K
Bounce rate lower is better
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33%
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42%
Pages / visit
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3.6
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2.1
Visit duration
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4m 18s
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19s
Traffic sources
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● Direct 94% · ● Referral 4%
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● Direct 90% · ● Mail 10%
PDF.aiPerplexity AISmallpdf AI PDFUPDF
047.3M94.5M141.8M189MPerplexity AI · 189MPerplexity AI · 179.6MPerplexity AI · 170.1MPerplexity AI · 153.8MPerplexity AI · 166.8MPerplexity AI · 154.9MPerplexity AI · 138.1MPerplexity AI · 115.8MPerplexity AI · 103.8MPerplexity AI · 95.2MUPDF · 38.9KUPDF · 51.3KUPDF · 45.4KUPDF · 39.5KUPDF · 52.9KUPDF · 63KUPDF · 52.7KUPDF · 39.9KUPDF · 28.7K10K100K1M10M100M1BPerplexity AI · 189MPerplexity AI · 179.6MPerplexity AI · 170.1MPerplexity AI · 153.8MPerplexity AI · 166.8MPerplexity AI · 154.9MPerplexity AI · 138.1MPerplexity AI · 115.8MPerplexity AI · 103.8MPerplexity AI · 95.2MUPDF · 38.9KUPDF · 51.3KUPDF · 45.4KUPDF · 39.5KUPDF · 52.9KUPDF · 63KUPDF · 52.7KUPDF · 39.9KUPDF · 28.7KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$49per month · free tier available
$20per month · free tier available
€6per month · free tier available
$9.99per month · free tier available
Free tier
Free trial
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API access
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Plans
Free FreeStarter $49/moPro $99/moScale $249/mo+1 more
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Pro €7.50/moTeam (2-100 users) €6/mo
Starter FreePlus $9.99/moPro $24.99/moBusiness $59.99/mo+1 more
Capabilities input → output
Input
DocumentsText
DocumentsImagesTextCode
DocumentsText
TextDocuments
Output
DataText
CodeText
Text
DocumentsText
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Intermediate
Categories
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Chatbots & CompanionsEducation & LearningLifestyle & EntertainmentProductivity & Office+13 more
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Productivity & OfficeAI Document ExtractionAI PDF
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
10
10
8
14
PDF analysis
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PDFs
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PDF summaries
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Interactive PDF processing
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Document summarization
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Summarizing
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Document data extraction
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AI search
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Document chat
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Document editing
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PDF management
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Research
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Search engine
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APIs
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Chatbots
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Data extraction
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Document processing
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Document scanning
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File conversion
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OCR
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Research papers
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Text extraction
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Document analysis
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Homework assistance
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Literature reviews
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PDF compression
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PDF redaction
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Writing
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 3
▲ 0
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
1
0
0
Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.