Directory

Compare Agents

Start Over3/5 selected
GitHub Copilot70
Grammarly62
OpenAI Codex CLI70
Market70
Trust29
Trend100
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views
Market62
Trust19
Trend55
Votes95%
380
Watch
800
Votes
70.0k
Views
Market70
Trust24
Trend40
Votes98%
2,900
Watch
6,200
Votes
540.0k
Views

Side-by-Side Comparison

FeatureGitHub CopilotGrammarlyOpenAI Codex CLI
Verification
Reviewed
Reviewed
Reviewed
Pricingpaidfreemiumusage based
Deploymentbrowser extensionbrowser extensionapi
Review LevelReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimed
Market Score706270
Trust Score291924
Trend Score1005540
Watchers7,1003802,900
Page Views190000170000540000
Upvotes14,2008006,200
CountryUSUSUS
Founded2,0212,0092,025
Agent Typecopilotassistantagent
Model Stack
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
grammarly-llm
gpt-4o
gpt-5
gpt-5-codex
o3
Docs
Open Source
Demo
Websitegithub.comgrammarly.comopenai.com

Score Factor Breakdown

Factor (weight)GitHub CopilotGrammarlyOpenAI Codex CLI
Trust Score (25%)
29%
19%
24%
Watchers (20%)
100%
76%
100%
Net Votes (20%)
100%
100%
100%
Page Views (15%)
100%
100%
100%
Verification (10%)
25%
13%
13%
Completeness (10%)
55%
55%
80%