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Grammarly62
OpenAI Codex CLI70
Perplexity AI70
Continue.dev15
GitHub Copilot70

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Market62
Trust19
Trend59
Votes95%
380
Watch
800
Votes
70.0k
Views
Market70
Trust24
Trend52
Votes98%
2,900
Watch
6,200
Votes
540.0k
Views
Market70
Trust29
Trend27
Votes98%
4,600
Watch
9,200
Votes
1200.0k
Views
Market15
Trust24
Trend60
Votes50%
0
Watch
0
Votes
0
Views
Market70
Trust29
Trend32
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views

Side-by-Side Comparison

FeatureGrammarlyOpenAI Codex CLIPerplexity AIContinue.devGitHub Copilot
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Reviewed
Pricingfreemiumusage basedfreemiumopen sourcepaid
Deploymentbrowser extensionapiweb appbrowser extensionbrowser extension
Review LevelReviewedReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimedunclaimed
Market Score6270701570
Trust Score1924292429
Trend Score5952276032
Watchers3802,9004,60007,100
Page Views70000540000120000001900001
Upvotes8006,2009,200014,200
CountryUSUSUSUSUS
Founded2,0092,0252,0222,0232,021
Agent Typeassistantagentassistantcopilotcopilot
Model Stack
grammarly-llm
gpt-4o
gpt-5
gpt-5-codex
o3
sonar-pro
sonar-huge
gpt-5
claude-sonnet-4.6
gpt-5
llama-4
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
Docs
Open Source
Demo
Websitegrammarly.comopenai.comperplexity.aicontinue.devgithub.com

Score Factor Breakdown

Factor (weight)GrammarlyOpenAI Codex CLIPerplexity AIContinue.devGitHub Copilot
Trust Score (25%)
19%
24%
29%
24%
29%
Watchers (20%)
76%
100%
100%
0%
100%
Net Votes (20%)
100%
100%
100%
0%
100%
Page Views (15%)
100%
100%
100%
0%
100%
Verification (10%)
13%
13%
25%
13%
25%
Completeness (10%)
55%
80%
55%
80%
55%