Directory

Compare Agents

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

Side-by-Side Comparison

FeatureOpenAI Codex CLIGitHub CopilotGrammarly
Verification
Reviewed
Reviewed
Reviewed
Pricingusage basedpaidfreemium
Deploymentapibrowser extensionbrowser extension
Review LevelReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimed
Market Score769036
Trust Score000
Trend Score858232
Watchers2,9007,100380
Page Views540000190000070000
Upvotes6,20014,200800
CountryUSUSUS
Founded2,0252,0212,009
Agent Typeagentcopilotassistant
Model Stack
gpt-5
gpt-5-codex
o3
gpt-5
claude-4-5-sonnet
gemini-3-pro
grammarly-llm
gpt-4o
Docs
Open Source
Demo
Websiteopenai.comgithub.comgrammarly.com

Score Factor Breakdown

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