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Start Over4/5 selected
Perplexity AI70
Grammarly62
Cohere Command R+67
GitHub Copilot70

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Market70
Trust29
Trend64
Votes98%
4,600
Watch
9,200
Votes
1200.0k
Views
Market62
Trust19
Trend63
Votes95%
380
Watch
800
Votes
70.0k
Views
Market67
Trust19
Trend59
Votes97%
1,200
Watch
2,600
Votes
280.0k
Views
Market70
Trust29
Trend68
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views

Side-by-Side Comparison

FeaturePerplexity AIGrammarlyCohere Command R+GitHub Copilot
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Pricingfreemiumfreemiumpaidpaid
Deploymentweb appbrowser extensionapibrowser extension
Review LevelReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimed
Market Score70626770
Trust Score29191929
Trend Score64635968
Watchers4,6003801,2007,100
Page Views1200000700002800001900001
Upvotes9,2008002,60014,200
CountryUSUSCAUS
Founded2,0222,0092,0192,021
Agent Typeassistantassistantassistantcopilot
Model Stack
sonar-pro
sonar-huge
gpt-5
grammarly-llm
gpt-4o
command-r-plus
command-r
embed-v3
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
Docs
Open Source
Demo
Websiteperplexity.aigrammarly.comcohere.comgithub.com

Score Factor Breakdown

Factor (weight)Perplexity AIGrammarlyCohere Command R+GitHub Copilot
Trust Score (25%)
29%
19%
19%
29%
Watchers (20%)
100%
76%
100%
100%
Net Votes (20%)
100%
100%
100%
100%
Page Views (15%)
100%
100%
100%
100%
Verification (10%)
25%
13%
13%
25%
Completeness (10%)
55%
55%
55%
55%