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Grammarly62
GitHub Copilot70
Perplexity AI70
OpenAI Codex CLI70
Augment Code67

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Showing 2 agents in this category for fair comparison.

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Market62
Trust19
Trend40
Votes95%
380
Watch
800
Votes
70.0k
Views
Market70
Trust29
Trend45
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views
Market70
Trust29
Trend54
Votes98%
4,600
Watch
9,200
Votes
1200.0k
Views
Market70
Trust24
Trend65
Votes98%
2,900
Watch
6,200
Votes
540.0k
Views
Market67
Trust19
Trend61
Votes98%
2,200
Watch
4,800
Votes
390.0k
Views

Side-by-Side Comparison

FeatureGrammarlyGitHub CopilotPerplexity AIOpenAI Codex CLIAugment Code
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Reviewed
Pricingfreemiumpaidfreemiumusage basedpaid
Deploymentbrowser extensionbrowser extensionweb appapibrowser extension
Review LevelReviewedReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimedunclaimed
Market Score6270707067
Trust Score1929292419
Trend Score4045546561
Watchers3807,1004,6002,9002,200
Page Views7000019000011200000540000390000
Upvotes80014,2009,2006,2004,800
CountryUSUSUSUSUS
Founded2,0092,0212,0222,0252,023
Agent Typeassistantcopilotassistantagentagent
Model Stack
grammarly-llm
gpt-4o
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
sonar-pro
sonar-huge
gpt-5
gpt-5
gpt-5-codex
o3
claude-4-5-opus
claude-4-5-sonnet
gpt-5
Docs
Open Source
Demo
Websitegrammarly.comgithub.comperplexity.aiopenai.comaugmentcode.com

Score Factor Breakdown

Factor (weight)GrammarlyGitHub CopilotPerplexity AIOpenAI Codex CLIAugment Code
Trust Score (25%)
19%
29%
29%
24%
19%
Watchers (20%)
76%
100%
100%
100%
100%
Net Votes (20%)
100%
100%
100%
100%
100%
Page Views (15%)
100%
100%
100%
100%
100%
Verification (10%)
13%
25%
25%
13%
13%
Completeness (10%)
55%
55%
55%
80%
55%