Perplexity AI vs ReadDocs vs GitHub Copilot vs ChatGPT

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

Your tool
Perplexity AI
vs
Competitor 1
ReadDocs
Competitor 2
GitHub Copilot
Competitor 3
ChatGPT
Compare
4 tools · best value per row highlighted
Your tool Perplexity AI
perplexity.ai
Search that gives answers instead of links
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
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Competitor ChatGPT
chatgpt.com
Your AI assistant for everything
Traffic estimated monthly website traffic
Monthly visits
95.2Mvisits/mo
744visits/mo
637.9Mvisits/mo
5.6Bvisits/mo
MoM change
▼ 8.2%
▲ 141.6%
▲ 3.7%
▲ 3.5%
6-month growth
-42.9%
—
+19.3%
-1.6%
Global rank web
#446
—
#49
#7
Avg. last 3 months
104.9M
384
629.7M
5.5B
Bounce rate lower is better
33%
39%
36%
30%
Pages / visit
3.6
1.1
5.9
4.3
Visit duration
4m 18s
—
6m 26s
6m 35s
Traffic sources
● Direct 94% · ● Referral 4%
—
● Direct 83% · ● Referral 15%
● Direct 95% · ● Referral 3%
Perplexity AIReadDocsGitHub CopilotChatGPT
01.5B2.9B4.4B5.8BPerplexity AI · 189MPerplexity AI · 179.6MPerplexity AI · 170.1MPerplexity AI · 153.8MPerplexity AI · 166.8MPerplexity AI · 154.9MPerplexity AI · 138.1MPerplexity AI · 115.8MPerplexity AI · 103.8MPerplexity AI · 95.2MReadDocs · 101ReadDocs · 308ReadDocs · 744GitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6B1001K10K100K1M10M100M1B10BPerplexity AI · 189MPerplexity AI · 179.6MPerplexity AI · 170.1MPerplexity AI · 153.8MPerplexity AI · 166.8MPerplexity AI · 154.9MPerplexity AI · 138.1MPerplexity AI · 115.8MPerplexity AI · 103.8MPerplexity AI · 95.2MReadDocs · 101ReadDocs · 308ReadDocs · 744GitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6BNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$20per month · free tier available
Free tier
$4per month · free tier available
$8per month · free tier available
Free tier
Free trial
–
–
–
API access
–
–
–
–
Plans
—
Free FreePro £9.99/moBusiness £29/mo
Free FreeTeam $4/moEnterprise $21/mo
Free FreeGo $8/moPlus $20/moPro 5x $100/mo+1 more
Capabilities input → output
Input
CodeDocumentsImagesText
TextImagesDocuments
TextCode
AudioTextImagesDocumentsCode
Output
TextCode
Text
Code
TextImagesCodeAudio
Skill level
Beginner-friendly
Beginner-friendly
Intermediate
Beginner-friendly
Categories
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
10
13
9
19
Summarizing
–
Chatbots
–
–
Coding
–
–
Document summarization
–
–
Research
–
–
Search engine
–
–
Writing
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–
Debugging
–
–
AI search
–
–
–
Code autocompletion
–
–
–
Document chat
–
–
–
Document q a
–
–
–
Document summaries
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–
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PDF summaries
–
–
–
Agents
–
–
–
Blogging
–
–
–
Code reviews
–
–
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Coding in VS Code
–
–
–
Copywriting
–
–
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Email writing
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–
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Essay writing
–
–
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Grammar checking
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–
–
Image generation
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–
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Image to text
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–
–
Interactive PDF processing
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–
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OCR
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–
–
Official documents q a
–
–
–
PDF analysis
–
–
–
Research papers
–
–
–
Summaries
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
★ 4.34 ratings
Upvotes
▲ 3
▲ 0
▲ 0
▲ 17
Saves
0
0
0
4
Reviews
0
0
0
4
Prompts
1
0
2
17
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.