Perplexity AI vs Microsoft Copilot vs ReadDocs vs MostlyAI

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
ReadDocs
Competitor 3
MostlyAI
Compare
4 tools · best value per row highlighted
Your tool Perplexity AI
perplexity.ai
Search that gives answers instead of links
Remove
Competitor Microsoft Copilot
copilot.microsoft.com
AI across Microsoft
Make main Remove
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
Make main Remove
Competitor MostlyAI
mostly.ai
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
95.2Mvisits/mo
81.9Mvisits/mo
744visits/mo
43.5Kvisits/mo
MoM change
▼ 8.2%
▼ 31.3%
▲ 141.6%
▼ 22.5%
6-month growth
-42.9%
-16.6%
—
-35.7%
Global rank web
#446
#609
—
#791,007
Avg. last 3 months
104.9M
110.9M
384
55.6K
Bounce rate lower is better
33%
36%
39%
39%
Pages / visit
3.6
3.6
1.1
1.8
Visit duration
4m 18s
5m 32s
—
22s
Traffic sources
● Direct 94% · ● Referral 4%
● Direct 87% · ● Referral 11%
—
—
Perplexity AIMicrosoft CopilotReadDocsMostlyAI
047.3M94.5M141.8M189MPerplexity 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 · 81.9MReadDocs · 101ReadDocs · 308ReadDocs · 744MostlyAI · 76.8KMostlyAI · 88.7KMostlyAI · 87.8KMostlyAI · 67.7KMostlyAI · 61.8KMostlyAI · 56.7KMostlyAI · 67.3KMostlyAI · 56.1KMostlyAI · 43.5K1001K10K100K1M10M100M1BPerplexity 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 · 81.9MReadDocs · 101ReadDocs · 308ReadDocs · 744MostlyAI · 76.8KMostlyAI · 88.7KMostlyAI · 87.8KMostlyAI · 67.7KMostlyAI · 61.8KMostlyAI · 56.7KMostlyAI · 67.3KMostlyAI · 56.1KMostlyAI · 43.5KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Free
Starting price
$20per month · free tier available
Free tier
Free tier
Free
Free tier
Free trial
–
–
–
–
API access
–
–
–
–
Plans
—
—
Free FreePro £9.99/moBusiness £29/mo
—
Capabilities input → output
Input
DocumentsImagesTextCode
TextImagesDocumentsCodeAudio
DocumentsImagesText
DataText
Output
CodeText
AudioTextImagesCode
Text
Data
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Advanced
Categories
Chatbots & CompanionsEducation & LearningLifestyle & EntertainmentProductivity & Office+13 more
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Generation+16 more
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Development & CodeResearch & AnalyticsAI Developer ToolsAI For Data Analytics
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
10
11
4
0
Summarizing
–
Chatbots
–
–
Document summarization
–
–
Research
–
–
Search engine
–
–
Homework assistance
–
–
Writing
–
–
AI search
–
–
–
Coding
–
–
–
Image generation
–
–
–
PDF analysis
–
–
–
Productivity
–
–
–
Research papers
–
–
–
Translations
–
–
–
Voice assistance
–
–
–
Literature reviews
–
–
–
OCR
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 3
▲ 2
▲ 0
▲ 0
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.