ChatPDF vs Kilo Code vs OpenCode 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
Kilo Code
Competitor 2
OpenCode
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.
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Competitor Kilo Code
kilocode.ai
Kilo Code is an open source AI agent Visual Studio (VS) Code extension that focuses on enhancing the efficiency of coding. The tool can generate code, automate tasks, and offer practical suggestions.
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Competitor OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
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Competitor PDF.ai
pdf.ai
PDF.ai lets you chat with any PDF: ask questions, get summaries and find answers inside the document.
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Traffic estimated monthly website traffic
Monthly visits
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1.9Kvisits/mo
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MoM change
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▼ 42.3%
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6-month growth
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-94.4%
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Global rank web
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#4,668,091
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Avg. last 3 months
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10.5K
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Bounce rate lower is better
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34%
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Pages / visit
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2.4
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Visit duration
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19s
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Traffic sources
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ChatPDFKilo CodeOpenCodePDF.ai
0186.2K372.3K558.5K744.7KKilo Code · 744.7KKilo Code · 164KKilo Code · 48.6KKilo Code · 16KKilo Code · 33.5KKilo Code · 14.4KKilo Code · 10.5KKilo Code · 26.4KKilo Code · 3.2KKilo Code · 1.9K1K10K100K1MKilo Code · 744.7KKilo Code · 164KKilo Code · 48.6KKilo Code · 16KKilo Code · 33.5KKilo Code · 14.4KKilo Code · 10.5KKilo Code · 26.4KKilo Code · 3.2KKilo Code · 1.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Free
Freemium
Starting price
Free
$20per month · free tier available
Free
$49per month · free tier available
Free tier
Free trial
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API access
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Plans
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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
Advanced
Advanced
Beginner-friendly
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
12
5
6
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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Development
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Document data extraction
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APIs
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Agents
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Coding in VS Code
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Data extraction
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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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Research
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Academic research
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Code analysis
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Developer tools
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Document reading
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Homework assistance
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Local AI
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Self hosted
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Summaries
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Vs code
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
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Saves
0
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Reviews
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Prompts
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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.