Directory

Compare Agents

Start Over3/5 selected
OpenAI Codex CLI70
Grammarly62
Devin67
Market70
Trust24
Trend63
Votes98%
2,900
Watch
6,200
Votes
540.0k
Views
Market62
Trust19
Trend42
Votes95%
380
Watch
800
Votes
70.0k
Views
Market67
Trust19
Trend65
Votes97%
2,800
Watch
5,900
Votes
650.0k
Views

Side-by-Side Comparison

FeatureOpenAI Codex CLIGrammarlyDevin
Verification
Reviewed
Reviewed
Reviewed
Pricingusage basedfreemiumpaid
Deploymentapibrowser extensionweb app
Review LevelReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimed
Market Score706267
Trust Score241919
Trend Score634265
Watchers2,9003802,800
Page Views54000070000650000
Upvotes6,2008005,900
CountryUSUSUS
Founded2,0252,0092,024
Agent Typeagentassistantagent
Model Stack
gpt-5
gpt-5-codex
o3
grammarly-llm
gpt-4o
claude-sonnet-4.6
gpt-5
Docs
Open Source
Demo
Websiteopenai.comgrammarly.comdevin.ai

Score Factor Breakdown

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