ChatGPT vs ReadDocs vs LightPDF

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

Your tool
ChatGPT
vs
Competitor 1
ReadDocs
Competitor 2
LightPDF
Competitor 3
Suggested competitors for ChatGPT: Claude92% Gemini92% Perplexity AI88% Microsoft Copilot85% Claude Code82% Grok82% DeepSeek82% Qwen80%
Compare
3 tools · best value per row highlighted
Your tool ChatGPT
chatgpt.com
Your AI assistant for everything
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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 LightPDF
lightpdf.com
LightPDF AI for Docs is an online tool that utilizes artificial intelligence to summarize and extract insights from uploaded PDF, Word, Excel, and PPT documents. With multi-platform availability and s
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Traffic estimated monthly website traffic
Monthly visits
5.6Bvisits/mo
744visits/mo
1.8Mvisits/mo
MoM change
▲ 3.5%
▲ 141.6%
▲ 1.0%
6-month growth
-1.6%
—
-4.4%
Global rank web
#7
—
#34,433
Avg. last 3 months
5.5B
384
1.7M
Bounce rate lower is better
30%
39%
51%
Pages / visit
4.3
1.1
2.3
Visit duration
6m 35s
—
1m 31s
Traffic sources
● Direct 95% · ● Referral 3%
—
● Direct 88% · ● Referral 10%
ChatGPTReadDocsLightPDF
01.5B2.9B4.4B5.8BChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6BReadDocs · 101ReadDocs · 308ReadDocs · 744LightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8M1001K10K100K1M10M100M1B10BChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6BReadDocs · 101ReadDocs · 308ReadDocs · 744LightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Starting price
$8per month · free tier available
Free tier
$1.33per month · free tier available
Free tier
Free trial
–
–
API access
–
–
–
Plans
Free FreeGo $8/moPlus $20/moPro 5x $100/mo+1 more
Free FreePro £9.99/moBusiness £29/mo
Free FreeMonthly $5.99/moYearly $15.99/yrLifetime $39.99
Capabilities input → output
Input
AudioCodeDocumentsImagesText
DocumentsImagesText
DocumentsWeb pages
Output
AudioCodeImagesText
Text
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Editing+27 more
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
19
13
9
Summarizing
Document summarization
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PDF analysis
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OCR
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Chatbots
–
–
Data extraction
–
–
Document chat
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–
Document data extraction
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–
Document q a
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Document summaries
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PDF summaries
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–
Blogging
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–
Coding
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–
Copywriting
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–
Email writing
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–
Essay writing
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Grammar checking
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Image generation
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Image to text
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–
Interactive PDF processing
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Official documents q a
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PDFs
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Research
–
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Search engine
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Summaries
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Text extraction
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Translations
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Writing
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–
Code documentation
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–
Debugging
–
–
Community on aitoolstime
Rating
★ 4.34 ratings
no ratings yet
no ratings yet
Upvotes
▲ 17
▲ 0
▲ 0
Saves
4
0
0
Reviews
4
0
0
Prompts
17
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.