ReadDocs vs OpenAI Codex vs ChatPDF vs Collate
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
ReadDocs
vs
ReadDocs
Competitor 1
OpenAI Codex
OpenAI Codex
Competitor 2
ChatPDF
ChatPDF
Competitor 3
Collate
CollateCompare
4 tools · best value per row highlighted
Your tool
ReadDocs
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
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.
Competitor
Collate
Collate
collate.one
Collate is a free, offline PDF assistant designed for everyday learners, students, and professionals who want to take control of their PDFs. With Collate, you can:
• Summarize PDFs: Turn lengthy doc
Traffic estimated monthly website traffic
Monthly visits
744visits/mo
204.3Mvisits/mo
—
4.1Kvisits/mo
MoM change
▲ 141.6%
▲ 3.6%
—
▼ 59.8%
6-month growth
—
+0.3%
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-0.1%
Global rank web
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#212
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#4,822,608
Avg. last 3 months
384
197.3M
—
8.9K
Bounce rate lower is better
39%
58%
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37%
Pages / visit
1.1
3.0
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1.3
Visit duration
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2m 31s
—
2s
Traffic sources
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● Direct 81% · ● Referral 17%
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—
ReadDocsOpenAI CodexChatPDFCollate
Pricing
Model
Freemium
Freemium
Free
Freemium
Starting price
Free tier
$20per month · free tier available
Free
$9.99per month · free tier available
Free tier
Free trial
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API access
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Plans
Free FreePro £9.99/moBusiness £29/mo
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Free Custom
Capabilities input → output
Input
DocumentsImagesText
CodeText
DocumentsTextWeb pages
Documents
Output
Text
Code
Text
Text
Skill level
Beginner-friendly
Advanced
Beginner-friendly
Beginner-friendly
Categories
Tasks what each tool can do · 0 shared · core partial
Tasks covered
13
9
12
10
PDF summaries
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Summarizing
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Document summarization
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Interactive PDF processing
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PDF analysis
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Summaries
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Document chat
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PDFs
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Document reading
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Agents
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Coding
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Document q a
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Document summaries
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GitHub automation
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GitHub pull requests
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Local AI
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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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Code documentation
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Code reviews
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Debugging
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Development
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Homework assistance
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Meeting summaries
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Terminal
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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
▲ 1
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
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.