ChatPDF vs Kimi Code vs GitHub Copilot vs PDF.ai

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

Your tool
ChatPDF
vs
Competitor 1
Kimi Code
Competitor 2
GitHub Copilot
Competitor 3
PDF.ai
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.
Competitor Kimi Code
kimi.com
Writing code means constantly jumping between your editor and browser tabs stuffed with documentation
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Competitor PDF.ai
pdf.ai
PDF.ai lets you chat with any PDF: ask questions, get summaries and find answers inside the document.
Traffic estimated monthly website traffic
Monthly visits
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60.1Mvisits/mo
637.9Mvisits/mo
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MoM change
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▲ 52.2%
▲ 3.7%
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6-month growth
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+33.8%
+19.3%
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Global rank web
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#852
#49
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Avg. last 3 months
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48.3M
629.7M
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Bounce rate lower is better
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37%
36%
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Pages / visit
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3.9
5.9
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Visit duration
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7m 13s
6m 26s
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Traffic sources
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● Direct 89% · ● Referral 10%
● Direct 83% · ● Referral 15%
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ChatPDFKimi CodeGitHub CopilotPDF.ai
0159.5M318.9M478.4M637.9MKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9M10M100M1BKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free
Freemium
Freemium
Freemium
Starting price
Free
$15per month · free tier available
$4per month · free tier available
$49per month · free tier available
Free tier
Free trial
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API access
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Plans
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Adagio FreePlus $15/moPro $31/moMax $79/mo+1 more
Free FreeTeam $4/moEnterprise $21/mo
Free FreeStarter $49/moPro $99/moScale $249/mo+1 more
Capabilities input → output
Input
DocumentsTextWeb pages
CodeText
CodeText
DocumentsText
Output
Text
Code
Code
DataText
Skill level
Beginner-friendly
Intermediate
Intermediate
Beginner-friendly
Categories
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
12
6
9
10
Coding
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Interactive PDF processing
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PDF analysis
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PDFs
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PDF summaries
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Summarizing
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Debugging
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Code autocompletion
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Document data extraction
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APIs
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Agents
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Code reviews
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Coding in VS Code
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Data extraction
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Developer tools
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Document processing
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Document summarization
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OCR
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PDF translations
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Refactoring
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Research
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Vs code
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Academic research
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Agent management
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Developer assistance
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Document reading
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Homework assistance
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Shell commands
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Summaries
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Terminal
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
2
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.