ChatPDF vs OpenCode vs ReadDocs vs TLDR This

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

Your tool
ChatPDF
vs
Competitor 1
OpenCode
Competitor 2
ReadDocs
Competitor 3
TLDR This
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 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 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 TLDR This
tldrthis.com
TLDR This turns long articles, web pages and documents into short summaries that are quick to read.
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Traffic estimated monthly website traffic
Monthly visits
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744visits/mo
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MoM change
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▲ 141.6%
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6-month growth
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Global rank web
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Avg. last 3 months
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384
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Bounce rate lower is better
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39%
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Pages / visit
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1.1
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Visit duration
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Traffic sources
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ChatPDFOpenCodeReadDocsTLDR This
0186372558744ReadDocs · 101ReadDocs · 308ReadDocs · 7441001KReadDocs · 101ReadDocs · 308ReadDocs · 744Feb '26MarApr
Pricing
Model
Free
Free
Freemium
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Starting price
Free
Free
Free tier
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Free tier
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Free trial
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API access
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Plans
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Free FreePro £9.99/moBusiness £29/mo
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Capabilities input → output
Input
DocumentsTextWeb pages
CodeText
DocumentsImagesText
DocumentsTextWeb pages
Output
Text
Code
Text
Text
Skill level
Beginner-friendly
Advanced
Beginner-friendly
Beginner-friendly
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Development & CodeAI Coding Assistant
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
12
6
13
8
Document summarization
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Summarizing
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PDF summaries
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Summaries
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Document summaries
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Interactive PDF processing
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PDF analysis
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PDFs
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Article summaries
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Coding
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Document chat
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Document q a
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Website summaries
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Agents
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OCR
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Official documents q a
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PDF translations
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Research
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Academic research
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Developer tools
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Development
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Document reading
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Homework assistance
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Local AI
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Meeting summaries
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Self hosted
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YouTube summaries
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
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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.