Directory

Compare Agents

Start Over4/5 selected
OpenAI Codex CLI70
GitHub Copilot70
Grammarly62
Devin67
Market70
Trust24
Trend51
Votes98%
2,900
Watch
6,200
Votes
540.0k
Views
Market70
Trust29
Trend19
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views
Market62
Trust19
Trend50
Votes95%
380
Watch
800
Votes
70.0k
Views
Market67
Trust19
Trend50
Votes97%
2,800
Watch
5,900
Votes
650.0k
Views

Side-by-Side Comparison

FeatureOpenAI Codex CLIGitHub CopilotGrammarlyDevin
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Pricingusage basedpaidfreemiumpaid
Deploymentapibrowser extensionbrowser extensionweb app
Review LevelReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimed
Market Score70706267
Trust Score24291919
Trend Score51195050
Watchers2,9007,1003802,800
Page Views540000190000170000650000
Upvotes6,20014,2008005,900
CountryUSUSUSUS
Founded2,0252,0212,0092,024
Agent Typeagentcopilotassistantagent
Model Stack
gpt-5
gpt-5-codex
o3
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
grammarly-llm
gpt-4o
claude-sonnet-4.6
gpt-5
Docs
Open Source
Demo
Websiteopenai.comgithub.comgrammarly.comdevin.ai

Score Factor Breakdown

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