Microsoft Copilot vs ChatPDF vs Perplexity AI vs ChatGPT
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Microsoft Copilot
vs Microsoft Copilot
Competitor 1
ChatPDF
ChatPDF
Competitor 2
Perplexity AI
Perplexity AI
Competitor 3
ChatGPT
ChatGPTCompare
4 tools · best value per row highlighted
Competitor
ChatPDF
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.
Traffic estimated monthly website traffic
Monthly visits
81.9Mvisits/mo
—
95.2Mvisits/mo
5.6Bvisits/mo
MoM change
▼ 31.3%
—
▼ 8.2%
▲ 3.5%
6-month growth
-16.6%
—
-42.9%
-1.6%
Global rank web
#609
—
#446
#7
Avg. last 3 months
110.9M
—
104.9M
5.5B
Bounce rate lower is better
36%
—
33%
30%
Pages / visit
3.6
—
3.6
4.3
Visit duration
5m 32s
—
4m 18s
6m 35s
Traffic sources
● Direct 87% · ● Referral 11%
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● Direct 94% · ● Referral 4%
● Direct 95% · ● Referral 3%
Microsoft CopilotChatPDFPerplexity AIChatGPT
Pricing
Model
Freemium
Free
Freemium
Freemium
Starting price
Free tier
Free
$20per month · free tier available
$8per month · free tier available
Free tier
Free trial
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–
–
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API access
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–
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Plans
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Free FreeGo $8/moPlus $20/moPro 5x $100/mo+1 more
Capabilities input → output
Input
TextImagesDocumentsCodeAudio
DocumentsTextWeb pages
TextImagesCodeDocuments
AudioTextImagesDocumentsCode
Output
AudioCodeImagesText
Text
TextCode
TextImagesCodeAudio
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Tasks what each tool can do · 2 shared · core partial
Tasks covered
11
12
10
19
Research
Summarizing
Chatbots
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Search engine
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Writing
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Homework assistance
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Coding
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Document summarization
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Image generation
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Translations
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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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Blogging
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Copywriting
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Email writing
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Essay writing
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Grammar checking
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Image to text
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PDF summaries
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PDF translations
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Productivity
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Research papers
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Voice assistance
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Academic research
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Code documentation
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Debugging
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Document reading
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Image editing
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
4.34 ratings
Upvotes
▲ 2
▲ 0
▲ 3
▲ 17
Saves
0
0
0
4
Reviews
0
0
0
4
Prompts
0
0
1
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.