Directory

Compare Agents

Start Over4/5 selected
OpenAI Codex CLI70
Grammarly62
GitHub Copilot70
Devin67
Market70
Trust24
Trend56
Votes98%
2,900
Watch
6,200
Votes
540.0k
Views
Market62
Trust19
Trend37
Votes95%
380
Watch
800
Votes
70.0k
Views
Market70
Trust29
Trend68
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views
Market67
Trust19
Trend54
Votes97%
2,800
Watch
5,900
Votes
650.0k
Views

Side-by-Side Comparison

FeatureOpenAI Codex CLIGrammarlyGitHub CopilotDevin
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Pricingusage basedfreemiumpaidpaid
Deploymentapibrowser extensionbrowser extensionweb app
Review LevelReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimed
Market Score70627067
Trust Score24192919
Trend Score56376854
Watchers2,9003807,1002,800
Page Views540000700001900001650000
Upvotes6,20080014,2005,900
CountryUSUSUSUS
Founded2,0252,0092,0212,024
Agent Typeagentassistantcopilotagent
Model Stack
gpt-5
gpt-5-codex
o3
grammarly-llm
gpt-4o
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
claude-sonnet-4.6
gpt-5
Docs
Open Source
Demo
Websiteopenai.comgrammarly.comgithub.comdevin.ai

Score Factor Breakdown

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