Perplexity AI vs Microsoft Copilot vs PDF.ai vs DeepSeek

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

Your tool
Perplexity AI
vs
Competitor 1
Microsoft Copilot
Competitor 2
PDF.ai
Competitor 3
DeepSeek
Compare
4 tools · best value per row highlighted
Your tool Perplexity AI
perplexity.ai
Search that gives answers instead of links
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Competitor Microsoft Copilot
copilot.microsoft.com
AI across Microsoft
Make main Remove
Competitor PDF.ai
pdf.ai
PDF.ai lets you chat with any PDF: ask questions, get summaries and find answers inside the document.
Make main Remove
Competitor DeepSeek
deepseek.com
DeepSeek is an AI lab and chat assistant.
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Traffic estimated monthly website traffic
Monthly visits
95.2Mvisits/mo
81.9Mvisits/mo
—
353.8Mvisits/mo
MoM change
▼ 8.2%
▼ 31.3%
—
▲ 2.1%
6-month growth
-42.9%
-16.6%
—
+0.9%
Global rank web
#446
#609
—
#131
Avg. last 3 months
104.9M
110.9M
—
357.9M
Bounce rate lower is better
33%
36%
—
38%
Pages / visit
3.6
3.6
—
3.4
Visit duration
4m 18s
5m 32s
—
5m 33s
Traffic sources
● Direct 94% · ● Referral 4%
● Direct 87% · ● Referral 11%
—
● Direct 95% · ● Referral 4%
Perplexity AIMicrosoft CopilotPDF.aiDeepSeek
0107.6M215.2M322.8M430.4MPerplexity 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 · 81.9MDeepSeek · 345.7MDeepSeek · 328.9MDeepSeek · 298.3MDeepSeek · 273.2MDeepSeek · 350.8MDeepSeek · 411.2MDeepSeek · 430.4MDeepSeek · 373.5MDeepSeek · 346.4MDeepSeek · 353.8M10M100M1BPerplexity 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 · 81.9MDeepSeek · 345.7MDeepSeek · 328.9MDeepSeek · 298.3MDeepSeek · 273.2MDeepSeek · 350.8MDeepSeek · 411.2MDeepSeek · 430.4MDeepSeek · 373.5MDeepSeek · 346.4MDeepSeek · 353.8MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$20per month · free tier available
Free tier
$49per month · free tier available
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Free tier
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Free trial
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–
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API access
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Plans
—
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Free FreeStarter $49/moPro $99/moScale $249/mo+1 more
deepseek-flash Customdeepseek-v4-pro Custom
Capabilities input → output
Input
DocumentsImagesTextCode
CodeTextImagesDocumentsAudio
DocumentsText
TextImagesCode
Output
CodeText
TextImagesCodeAudio
DataText
TextCode
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Chatbots & CompanionsEducation & LearningLifestyle & EntertainmentProductivity & Office+13 more
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Generation+16 more
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Chatbots & CompanionsDevelopment & CodeEducation & LearningWriting & Content+10 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
10
11
10
9
Summarizing
Chatbots
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Research
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Homework assistance
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Writing
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Search engine
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Coding
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Translations
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AI search
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Document data extraction
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Interactive PDF processing
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Large language models
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PDF analysis
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PDF summaries
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PDFs
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APIs
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Data extraction
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Document processing
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Document summarization
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Image generation
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OCR
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Productivity
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Research papers
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Voice assistance
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–
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Literature reviews
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Math
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 3
▲ 2
▲ 0
▲ 3
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
1
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.