ReadDocs vs Perplexity Sonar API vs LightPDF

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

Your tool
ReadDocs
vs
Competitor 1
Perplexity Sonar API
Competitor 2
LightPDF
Competitor 3
Suggested competitors for ReadDocs: APAI PDF Reader87% ChatPDF83% Smallpdf AI PDF83% Collate83% PDF.ai82% Outrank81% Humata80% Adobe Acrobat80%
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3 tools · best value per row highlighted
Your tool 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 Perplexity Sonar API
docs.perplexity.ai
Perplexity Sonar API is the developer platform behind Perplexity's real-time web research, exposed as a Router API, an Agent API, a Search API and an Embeddings API.
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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
744visits/mo
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1.8Mvisits/mo
MoM change
▲ 141.6%
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▲ 1.0%
6-month growth
—
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-4.4%
Global rank web
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#34,433
Avg. last 3 months
384
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1.7M
Bounce rate lower is better
39%
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51%
Pages / visit
1.1
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2.3
Visit duration
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1m 31s
Traffic sources
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● Direct 88% · ● Referral 10%
ReadDocsPerplexity Sonar APILightPDF
0477.3K954.5K1.4M1.9MReadDocs · 101ReadDocs · 308ReadDocs · 744LightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8M1001K10K100K1M10MReadDocs · 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
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Freemium
Starting price
Free tier
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$1.33per month · free tier available
Free tier
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Free trial
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API access
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Plans
Free FreePro £9.99/moBusiness £29/mo
Router API CustomAgent API CustomSearch API CustomEmbeddings API Custom+1 more
Free FreeMonthly $5.99/moYearly $15.99/yrLifetime $39.99
Capabilities input → output
Input
DocumentsImagesText
Text
DocumentsWeb pages
Output
Text
Text
Text
Skill level
Beginner-friendly
Advanced
Beginner-friendly
Categories
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Development & CodeAI API
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
13
9
9
Document summarization
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Summarizing
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PDF analysis
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OCR
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APIs
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Data extraction
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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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Web search
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Information retrieval
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Interactive PDF processing
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LLM gateway
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Official documents q a
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PDFs
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Summaries
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Text extraction
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Web search summaries
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Agents
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Developer tools
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Development
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Document processing
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Meeting summaries
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Model routing
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YouTube summaries
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
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.