Perplexity AI vs PDF.ai vs Microsoft Copilot 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
PDF.ai
Competitor 2
Microsoft Copilot
Competitor 3
DeepSeek
Compare
4 tools · best value per row highlighted
Your tool Perplexity AI
perplexity.ai
Search that gives answers instead of links
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 Microsoft Copilot
copilot.microsoft.com
AI across Microsoft
Make main Remove
Competitor DeepSeek
deepseek.com
DeepSeek is an AI lab and chat assistant.
Make main Remove
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 AIPDF.aiMicrosoft CopilotDeepSeek
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
$49per month · free tier available
Free tier
—
Free tier
–
Free trial
–
–
–
–
API access
–
–
Plans
—
Free FreeStarter $49/moPro $99/moScale $249/mo+1 more
—
deepseek-flash Customdeepseek-v4-pro Custom
Capabilities input → output
Input
DocumentsImagesTextCode
DocumentsText
CodeTextImagesDocumentsAudio
TextImagesCode
Output
CodeText
DataText
TextImagesCodeAudio
TextCode
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Chatbots & CompanionsEducation & LearningLifestyle & EntertainmentProductivity & Office+13 more
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Generation+16 more
Chatbots & CompanionsDevelopment & CodeEducation & LearningWriting & Content+10 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
10
10
11
9
Summarizing
Chatbots
–
Research
–
Homework assistance
–
Writing
–
Search engine
–
–
Coding
–
–
Translations
–
–
AI search
–
–
–
Document data extraction
–
–
–
Interactive PDF processing
–
–
–
Large language models
–
–
–
PDF analysis
–
–
–
PDF summaries
–
–
–
PDFs
–
–
–
APIs
–
–
–
Data extraction
–
–
–
Document processing
–
–
–
Document summarization
–
–
–
Image generation
–
–
–
OCR
–
–
–
Productivity
–
–
–
Research papers
–
–
–
Voice assistance
–
–
–
Literature reviews
–
–
–
Math
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 3
▲ 0
▲ 2
▲ 3
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
1
0
0
0
Verified listing
–
–
–
–

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.