Directory

Compare Agents

Start Over4/5 selected
GitHub Copilot70
Perplexity AI70
Grammarly62
OpenAI Codex CLI70
Market70
Trust29
Trend19
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views
Market70
Trust29
Trend18
Votes98%
4,600
Watch
9,200
Votes
1200.0k
Views
Market62
Trust19
Trend50
Votes95%
380
Watch
800
Votes
70.0k
Views
Market70
Trust24
Trend51
Votes98%
2,900
Watch
6,200
Votes
540.0k
Views

Side-by-Side Comparison

FeatureGitHub CopilotPerplexity AIGrammarlyOpenAI Codex CLI
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Pricingpaidfreemiumfreemiumusage based
Deploymentbrowser extensionweb appbrowser extensionapi
Review LevelReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimed
Market Score70706270
Trust Score29291924
Trend Score19185051
Watchers7,1004,6003802,900
Page Views1900001120000070000540000
Upvotes14,2009,2008006,200
CountryUSUSUSUS
Founded2,0212,0222,0092,025
Agent Typecopilotassistantassistantagent
Model Stack
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
sonar-pro
sonar-huge
gpt-5
grammarly-llm
gpt-4o
gpt-5
gpt-5-codex
o3
Docs
Open Source
Demo
Websitegithub.comperplexity.aigrammarly.comopenai.com

Score Factor Breakdown

Factor (weight)GitHub CopilotPerplexity AIGrammarlyOpenAI Codex CLI
Trust Score (25%)
29%
29%
19%
24%
Watchers (20%)
100%
100%
76%
100%
Net Votes (20%)
100%
100%
100%
100%
Page Views (15%)
100%
100%
100%
100%
Verification (10%)
25%
25%
13%
13%
Completeness (10%)
55%
55%
55%
80%