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Start Over4/5 selected
Perplexity AI70
Grammarly62
GitHub Copilot70
Devin67

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Showing 7 agents in this category for fair comparison.

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Market70
Trust29
Trend27
Votes98%
4,600
Watch
9,200
Votes
1200.0k
Views
Market62
Trust19
Trend59
Votes95%
380
Watch
800
Votes
70.0k
Views
Market70
Trust29
Trend32
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views
Market67
Trust19
Trend52
Votes97%
2,800
Watch
5,900
Votes
650.0k
Views

Side-by-Side Comparison

FeaturePerplexity AIGrammarlyGitHub CopilotDevin
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Pricingfreemiumfreemiumpaidpaid
Deploymentweb appbrowser extensionbrowser extensionweb app
Review LevelReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimed
Market Score70627067
Trust Score29192919
Trend Score27593252
Watchers4,6003807,1002,800
Page Views1200000700001900001650000
Upvotes9,20080014,2005,900
CountryUSUSUSUS
Founded2,0222,0092,0212,024
Agent Typeassistantassistantcopilotagent
Model Stack
sonar-pro
sonar-huge
gpt-5
grammarly-llm
gpt-4o
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
claude-sonnet-4.6
gpt-5
Docs
Open Source
Demo
Websiteperplexity.aigrammarly.comgithub.comdevin.ai

Score Factor Breakdown

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