Directory

Compare Agents

Start Over3/5 selected
GitHub Copilot90
Grammarly36
OpenAI Codex CLI76
Market90
Trust0
Trend82
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views
Market36
Trust0
Trend32
Votes95%
380
Watch
800
Votes
70.0k
Views
Market76
Trust0
Trend85
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 Score903676
Trust Score000
Trend Score823285
Watchers7,1003802,900
Page Views190000070000540000
Upvotes14,2008006,200
CountryUSUSUS
Founded
Agent Typecopilotassistantagent
Model Stack
gpt-5
claude-4-5-sonnet
gemini-3-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%)
0%
0%
0%
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%