ChatPDF vs ReadDocs vs GitHub Copilot vs Kimi Code

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

Your tool
ChatPDF
vs
Competitor 1
ReadDocs
Competitor 2
GitHub Copilot
Competitor 3
Kimi Code
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 ReadDocs
readdocs.co.uk
Upload a PDF contract and ReadDocs spits out a one-minute summary, bullet points, and answers to specific questions you ask
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Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
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Competitor Kimi Code
kimi.com
Writing code means constantly jumping between your editor and browser tabs stuffed with documentation
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
744visits/mo
637.9Mvisits/mo
60.1Mvisits/mo
MoM change
—
▲ 141.6%
▲ 3.7%
▲ 52.2%
6-month growth
—
—
+19.3%
+33.8%
Global rank web
—
—
#49
#852
Avg. last 3 months
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384
629.7M
48.3M
Bounce rate lower is better
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39%
36%
37%
Pages / visit
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1.1
5.9
3.9
Visit duration
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—
6m 26s
7m 13s
Traffic sources
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● Direct 83% · ● Referral 15%
● Direct 89% · ● Referral 10%
ChatPDFReadDocsGitHub CopilotKimi Code
0159.5M318.9M478.4M637.9MReadDocs · 101ReadDocs · 308ReadDocs · 744GitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1M1001K10K100K1M10M100M1BReadDocs · 101ReadDocs · 308ReadDocs · 744GitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free
Freemium
Freemium
Freemium
Starting price
Free
Free tier
$4per month · free tier available
$15per month · free tier available
Free tier
Free trial
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API access
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–
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Plans
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Free FreePro £9.99/moBusiness £29/mo
Free FreeTeam $4/moEnterprise $21/mo
Adagio FreePlus $15/moPro $31/moMax $79/mo+1 more
Capabilities input → output
Input
DocumentsTextWeb pages
DocumentsImagesText
CodeText
CodeText
Output
Text
Text
Code
Code
Skill level
Beginner-friendly
Beginner-friendly
Intermediate
Intermediate
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
12
13
9
6
Coding
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Document summarization
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Interactive PDF processing
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PDF analysis
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PDF summaries
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Summarizing
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Debugging
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Summaries
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Code autocompletion
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Document chat
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Document q a
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Document summaries
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PDFs
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Agents
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Code reviews
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Coding in VS Code
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Developer tools
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OCR
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Official documents q a
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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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Meeting summaries
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Shell commands
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 1
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.