Perplexity AI vs LightPDF vs Consensus 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
LightPDF
Competitor 2
Consensus
Competitor 3
ChatPDF
Compare
4 tools · best value per row highlighted
Your tool Perplexity AI
perplexity.ai
Search that gives answers instead of links
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Competitor LightPDF
lightpdf.com
LightPDF AI for Docs is an online tool that utilizes artificial intelligence to summarize and extract insights from uploaded PDF, Word, Excel, and PPT documents. With multi-platform availability and s
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Competitor Consensus
consensus.app
Scientific answers from peer-reviewed research
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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.
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Traffic estimated monthly website traffic
Monthly visits
95.2Mvisits/mo
1.8Mvisits/mo
5.8Mvisits/mo
—
MoM change
▼ 8.2%
▲ 1.0%
▲ 3.5%
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6-month growth
-42.9%
-4.4%
+14.4%
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Global rank web
#446
#34,433
#9,859
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Avg. last 3 months
104.9M
1.7M
5.5M
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Bounce rate lower is better
33%
51%
43%
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Pages / visit
3.6
2.3
4.1
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Visit duration
4m 18s
1m 31s
3m 56s
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Traffic sources
● Direct 94% · ● Referral 4%
● Direct 88% · ● Referral 10%
● Direct 84% · ● Referral 14%
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Perplexity AILightPDFConsensusChatPDF
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 · 95.2MLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MConsensus · 4.4MConsensus · 4.1MConsensus · 3.9MConsensus · 4MConsensus · 5.1MConsensus · 5.9MConsensus · 5.7MConsensus · 5MConsensus · 5.6MConsensus · 5.8M1M10M100M1BPerplexity 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 · 95.2MLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MConsensus · 4.4MConsensus · 4.1MConsensus · 3.9MConsensus · 4MConsensus · 5.1MConsensus · 5.9MConsensus · 5.7MConsensus · 5MConsensus · 5.6MConsensus · 5.8MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Free
Starting price
$20per month · free tier available
$1.33per month · free tier available
$8.99per month · free tier available
Free
Free tier
Free trial
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API access
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Plans
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Free FreeMonthly $5.99/moYearly $15.99/yrLifetime $39.99
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Capabilities input → output
Input
CodeDocumentsImagesText
DocumentsWeb pages
Text
DocumentsTextWeb pages
Output
CodeText
Text
Text
Text
Skill level
Beginner-friendly
Beginner-friendly
Intermediate
Beginner-friendly
Categories
Chatbots & CompanionsEducation & LearningLifestyle & EntertainmentProductivity & Office+13 more
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Productivity & OfficeResearch & AnalyticsAI Research PapersAI Research Tool+1 more
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
10
9
8
12
Research
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Document summarization
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Summarizing
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PDF analysis
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Search engine
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PDFs
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Research papers
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Academic research
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Literature reviews
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Homework assistance
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AI search
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Data extraction
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Document data extraction
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Interactive PDF processing
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Chatbots
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Medical research
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OCR
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PDF summaries
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PDF translations
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Research papers summaries
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Scientific research
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Text extraction
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Document processing
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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
no ratings yet
Upvotes
▲ 3
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
1
0
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.