Directory

Compare Agents

Start Over4/5 selected
OpenAI Codex CLI70
Continue.dev15
Grammarly62
GitHub Copilot70

Add another agent
Voice Agents

Showing 7 agents in this category for fair comparison.

Maximum 5 agents per comparison.

Market70
Trust24
Trend51
Votes98%
2,900
Watch
6,200
Votes
540.0k
Views
Market15
Trust24
Trend60
Votes50%
0
Watch
0
Votes
0
Views
Market62
Trust19
Trend50
Votes95%
380
Watch
800
Votes
70.0k
Views
Market70
Trust29
Trend19
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views

Side-by-Side Comparison

FeatureOpenAI Codex CLIContinue.devGrammarlyGitHub Copilot
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Pricingusage basedopen sourcefreemiumpaid
Deploymentapibrowser extensionbrowser extensionbrowser extension
Review LevelReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimed
Market Score70156270
Trust Score24241929
Trend Score51605019
Watchers2,90003807,100
Page Views5400000700001900001
Upvotes6,200080014,200
CountryUSUSUSUS
Founded2,0252,0232,0092,021
Agent Typeagentcopilotassistantcopilot
Model Stack
gpt-5
gpt-5-codex
o3
claude-sonnet-4.6
gpt-5
llama-4
grammarly-llm
gpt-4o
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
Docs
Open Source
Demo
Websiteopenai.comcontinue.devgrammarly.comgithub.com

Score Factor Breakdown

Factor (weight)OpenAI Codex CLIContinue.devGrammarlyGitHub Copilot
Trust Score (25%)
24%
24%
19%
29%
Watchers (20%)
100%
0%
76%
100%
Net Votes (20%)
100%
0%
100%
100%
Page Views (15%)
100%
0%
100%
100%
Verification (10%)
13%
13%
13%
25%
Completeness (10%)
80%
80%
55%
55%