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Start Over4/5 selected
Perplexity AI70
GitHub Copilot70
Grammarly62
Windsurf70

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Showing 7 agents in this category for fair comparison.

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Market70
Trust29
Trend56
Votes98%
4,600
Watch
9,200
Votes
1200.0k
Views
Market70
Trust29
Trend65
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views
Market62
Trust19
Trend57
Votes95%
380
Watch
800
Votes
70.0k
Views
Market70
Trust24
Trend60
Votes97%
2,400
Watch
5,000
Votes
560.0k
Views

Side-by-Side Comparison

FeaturePerplexity AIGitHub CopilotGrammarlyWindsurf
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Pricingfreemiumpaidfreemiumfreemium
Deploymentweb appbrowser extensionbrowser extensionbrowser extension
Review LevelReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimed
Market Score70706270
Trust Score29291924
Trend Score56655760
Watchers4,6007,1003802,400
Page Views1200000190000170000560001
Upvotes9,20014,2008005,000
CountryUSUSUSUS
Founded2,0222,0212,0092,021
Agent Typeassistantcopilotassistantcopilot
Model Stack
sonar-pro
sonar-huge
gpt-5
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
grammarly-llm
gpt-4o
claude-sonnet-4.6
gpt-5
gemini-2.5-pro
Docs
Open Source
Demo
Websiteperplexity.aigithub.comgrammarly.comwindsurf.com

Score Factor Breakdown

Factor (weight)Perplexity AIGitHub CopilotGrammarlyWindsurf
Trust Score (25%)
29%
29%
19%
24%
Watchers (20%)
100%
100%
76%
100%
Net Votes (20%)
100%
100%
100%
100%
Page Views (15%)
100%
100%
100%
100%
Verification (10%)
25%
25%
13%
13%
Completeness (10%)
55%
55%
55%
80%