ChatPDF vs Perplexity AI vs Microsoft Copilot vs ChatGPT

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

Your tool
ChatPDF
vs
Competitor 1
Perplexity AI
Competitor 2
Microsoft Copilot
Competitor 3
ChatGPT
Compare
4 tools · best value per row highlighted
Your tool 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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Competitor Perplexity AI
perplexity.ai
Search that gives answers instead of links
Make main Remove
Competitor Microsoft Copilot
copilot.microsoft.com
AI across Microsoft
Make main Remove
Competitor ChatGPT
chatgpt.com
Your AI assistant for everything
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
95.2Mvisits/mo
81.9Mvisits/mo
5.6Bvisits/mo
MoM change
—
▼ 8.2%
▼ 31.3%
▲ 3.5%
6-month growth
—
-42.9%
-16.6%
-1.6%
Global rank web
—
#446
#609
#7
Avg. last 3 months
—
104.9M
110.9M
5.5B
Bounce rate lower is better
—
33%
36%
30%
Pages / visit
—
3.6
3.6
4.3
Visit duration
—
4m 18s
5m 32s
6m 35s
Traffic sources
—
● Direct 94% · ● Referral 4%
● Direct 87% · ● Referral 11%
● Direct 95% · ● Referral 3%
ChatPDFPerplexity AIMicrosoft CopilotChatGPT
01.5B2.9B4.4B5.8BPerplexity 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 · 95.2MMicrosoft Copilot · 105.6MMicrosoft Copilot · 97.9MMicrosoft Copilot · 101.2MMicrosoft Copilot · 98.2MMicrosoft Copilot · 123.8MMicrosoft Copilot · 130MMicrosoft Copilot · 131.6MMicrosoft Copilot · 119.2MMicrosoft Copilot · 81.9MChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6B10M100M1B10BPerplexity 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 · 95.2MMicrosoft Copilot · 105.6MMicrosoft Copilot · 97.9MMicrosoft Copilot · 101.2MMicrosoft Copilot · 98.2MMicrosoft Copilot · 123.8MMicrosoft Copilot · 130MMicrosoft Copilot · 131.6MMicrosoft Copilot · 119.2MMicrosoft Copilot · 81.9MChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6BNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Freemium
Starting price
Free
$20per month · free tier available
Free tier
$8per month · free tier available
Free tier
Free trial
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–
–
–
API access
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–
–
–
Plans
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—
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Free FreeGo $8/moPlus $20/moPro 5x $100/mo+1 more
Capabilities input → output
Input
DocumentsTextWeb pages
TextImagesCodeDocuments
TextImagesDocumentsCodeAudio
AudioTextImagesDocumentsCode
Output
Text
TextCode
AudioCodeImagesText
TextImagesCodeAudio
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Chatbots & CompanionsEducation & LearningLifestyle & EntertainmentProductivity & Office+13 more
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Generation+16 more
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Editing+27 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
1
10
11
19
Chatbots
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Research
–
Search engine
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Summarizing
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Writing
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Coding
–
–
Document summarization
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–
Image generation
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–
Translations
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–
Homework assistance
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–
AI search
–
–
–
Blogging
–
–
–
Copywriting
–
–
–
Email writing
–
–
–
Essay writing
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–
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Grammar checking
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–
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Image to text
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–
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Productivity
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–
–
Research papers
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–
–
Voice assistance
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–
–
Code documentation
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–
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Debugging
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–
–
Image editing
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–
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Image to image
–
–
–
Literature reviews
–
–
–
Refactoring
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
★ 4.34 ratings
Upvotes
▲ 0
▲ 3
▲ 2
▲ 17
Saves
0
0
0
4
Reviews
0
0
0
4
Prompts
0
1
0
17
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.