Perplexity AI vs Connected Papers vs ChatPDF

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

Your tool
Perplexity AI
vs
Competitor 1
Connected Papers
Competitor 2
ChatPDF
Competitor 3
Suggested competitors for Perplexity AI: ChatGPT85% Gemini80% Microsoft Copilot80% Claude78% You.com74% Consensus74% CoreWise.video74% DeepSeek74%
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3 tools · best value per row highlighted
Your tool Perplexity AI
perplexity.ai
Search that gives answers instead of links
Remove
Competitor Connected Papers
connectedpapers.com
Visual tool for exploring related research
Make main Remove
Competitor ChatPDF
chatpdf.com
ChatPDF is a document question-answering app: upload a PDF, ask questions in plain language, and get answers with built-in citations that point back to the source passage.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
95.2Mvisits/mo
600.7Kvisits/mo
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MoM change
▼ 8.2%
▼ 18.7%
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6-month growth
-42.9%
-34.0%
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Global rank web
#446
#76,429
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Avg. last 3 months
104.9M
709.4K
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Bounce rate lower is better
33%
44%
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Pages / visit
3.6
2.7
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Visit duration
4m 18s
2m 05s
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Traffic sources
● Direct 94% · ● Referral 4%
● Direct 74% · ● Referral 24%
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Perplexity AIConnected PapersChatPDF
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 · 95.2MConnected Papers · 966KConnected Papers · 779.7KConnected Papers · 839.4KConnected Papers · 823.6KConnected Papers · 910.1KConnected Papers · 948.5KConnected Papers · 872.6KConnected Papers · 788.3KConnected Papers · 739KConnected Papers · 600.7K100K1M10M100M1BPerplexity 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 · 95.2MConnected Papers · 966KConnected Papers · 779.7KConnected Papers · 839.4KConnected Papers · 823.6KConnected Papers · 910.1KConnected Papers · 948.5KConnected Papers · 872.6KConnected Papers · 788.3KConnected Papers · 739KConnected Papers · 600.7KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free
Starting price
$20per month · free tier available
$6per month · free tier available
Free
Free tier
Free trial
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API access
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Plans
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Capabilities input → output
Input
CodeDocumentsImagesText
TextWeb pages
DocumentsTextWeb pages
Output
CodeText
Data
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Chatbots & CompanionsEducation & LearningLifestyle & EntertainmentProductivity & Office+13 more
Research & AnalyticsAI Research PapersAI Research Tool
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
10
7
12
Research
Research papers
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Document summarization
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Summarizing
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Academic research
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Homework assistance
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Literature reviews
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AI search
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Interactive PDF processing
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PDF analysis
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PDFs
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Scientific research navigation
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Search engine
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Chatbots
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PDF summaries
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PDF translations
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Research papers analysis
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Research recommendations
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Document reading
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Summaries
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Writing
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 3
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
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Prompts
1
0
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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.