ChatGPT vs Perplexity AI vs Microsoft Copilot vs ChatPDF

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

Your tool
ChatGPT
vs
Competitor 1
Perplexity AI
Competitor 2
Microsoft Copilot
Competitor 3
ChatPDF
Compare
4 tools · best value per row highlighted
Your tool ChatGPT
chatgpt.com
Your AI assistant for everything
Competitor Perplexity AI
perplexity.ai
Search that gives answers instead of links
Competitor Microsoft Copilot
copilot.microsoft.com
AI across Microsoft
Competitor 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.
Traffic estimated monthly website traffic
Monthly visits
5.6Bvisits/mo
95.2Mvisits/mo
81.9Mvisits/mo
—
MoM change
▲ 3.5%
▼ 8.2%
▼ 31.3%
—
6-month growth
-1.6%
-42.9%
-16.6%
—
Global rank web
#7
#446
#609
—
Avg. last 3 months
5.5B
104.9M
110.9M
—
Bounce rate lower is better
30%
33%
36%
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Pages / visit
4.3
3.6
3.6
—
Visit duration
6m 35s
4m 18s
5m 32s
—
Traffic sources
● Direct 95% · ● Referral 3%
● Direct 94% · ● Referral 4%
● Direct 87% · ● Referral 11%
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ChatGPTPerplexity AIMicrosoft CopilotChatPDF
01.5B2.9B4.4B5.8BChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6BPerplexity 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 · 95.2MMicrosoft Copilot · 105.6MMicrosoft Copilot · 97.9MMicrosoft Copilot · 101.2MMicrosoft Copilot · 98.2MMicrosoft Copilot · 123.8MMicrosoft Copilot · 130MMicrosoft Copilot · 131.6MMicrosoft Copilot · 119.2MMicrosoft Copilot · 81.9M10M100M1B10BChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6BPerplexity 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 · 95.2MMicrosoft Copilot · 105.6MMicrosoft Copilot · 97.9MMicrosoft Copilot · 101.2MMicrosoft Copilot · 98.2MMicrosoft Copilot · 123.8MMicrosoft Copilot · 130MMicrosoft Copilot · 131.6MMicrosoft Copilot · 119.2MMicrosoft Copilot · 81.9MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Free
Starting price
$8per month · free tier available
$20per month · free tier available
Free tier
Free
Free tier
Free trial
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–
–
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API access
–
–
–
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Plans
Free FreeGo $8/moPlus $20/moPro 5x $100/mo+1 more
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Capabilities input → output
Input
AudioTextImagesDocumentsCode
TextImagesCodeDocuments
TextImagesDocumentsCodeAudio
DocumentsTextWeb pages
Output
TextImagesCodeAudio
TextCode
AudioCodeImagesText
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
19
10
11
12
Research
Summarizing
Chatbots
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Search engine
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Writing
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Homework assistance
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Coding
–
–
Document summarization
–
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Image generation
–
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Translations
–
–
AI search
–
–
–
Interactive PDF processing
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–
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PDF analysis
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–
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PDFs
–
–
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Blogging
–
–
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Copywriting
–
–
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Email writing
–
–
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Essay writing
–
–
–
Grammar checking
–
–
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Image to text
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–
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PDF summaries
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–
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PDF translations
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–
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Productivity
–
–
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Research papers
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–
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Voice assistance
–
–
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Academic research
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–
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Code documentation
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Debugging
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–
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Document reading
–
–
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Image editing
–
–
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Community on aitoolstime
Rating
★ 4.34 ratings
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 17
▲ 3
▲ 2
▲ 0
Saves
4
0
0
0
Reviews
4
0
0
0
Prompts
17
1
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.