Directory

Compare Agents

Start Over3/5 selected
OpenAI Codex CLI76
Grammarly36
GitHub Copilot90
Market76
Trust0
Trend85
Votes98%
2,900
Watch
6,200
Votes
540.0k
Views
Market36
Trust0
Trend32
Votes95%
380
Watch
800
Votes
70.0k
Views
Market90
Trust0
Trend82
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views

Side-by-Side Comparison

FeatureOpenAI Codex CLIGrammarlyGitHub Copilot
Verification
Reviewed
Reviewed
Reviewed
Pricingusage basedfreemiumpaid
Deploymentapibrowser extensionbrowser extension
Review LevelReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimed
Market Score763690
Trust Score000
Trend Score853282
Watchers2,9003807,100
Page Views540000700001900000
Upvotes6,20080014,200
CountryUSUSUS
Founded2,0252,0092,021
Agent Typeagentassistantcopilot
Model Stack
gpt-5
gpt-5-codex
o3
grammarly-llm
gpt-4o
gpt-5
claude-4-5-sonnet
gemini-3-pro
Docs
Open Source
Demo
Websiteopenai.comgrammarly.comgithub.com

Score Factor Breakdown

Factor (weight)OpenAI Codex CLIGrammarlyGitHub Copilot
Trust Score (25%)
0%
0%
0%
Watchers (20%)
100%
76%
100%
Net Votes (20%)
100%
100%
100%
Page Views (15%)
100%
100%
100%
Verification (10%)
13%
13%
25%
Completeness (10%)
80%
55%
55%