Directory

Compare Agents

Start Over4/5 selected
Perplexity AI70
GitHub Copilot70
Grammarly62
OpenAI Codex CLI70
Market70
Trust29
Trend54
Votes98%
4,600
Watch
9,200
Votes
1200.0k
Views
Market70
Trust29
Trend45
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views
Market62
Trust19
Trend40
Votes95%
380
Watch
800
Votes
70.0k
Views
Market70
Trust24
Trend65
Votes98%
2,900
Watch
6,200
Votes
540.0k
Views

Side-by-Side Comparison

FeaturePerplexity AIGitHub CopilotGrammarlyOpenAI Codex CLI
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Pricingfreemiumpaidfreemiumusage based
Deploymentweb appbrowser extensionbrowser extensionapi
Review LevelReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimed
Market Score70706270
Trust Score29291924
Trend Score54454065
Watchers4,6007,1003802,900
Page Views1200000190000170000540000
Upvotes9,20014,2008006,200
CountryUSUSUSUS
Founded2,0222,0212,0092,025
Agent Typeassistantcopilotassistantagent
Model Stack
sonar-pro
sonar-huge
gpt-5
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
grammarly-llm
gpt-4o
gpt-5
gpt-5-codex
o3
Docs
Open Source
Demo
Websiteperplexity.aigithub.comgrammarly.comopenai.com

Score Factor Breakdown

Factor (weight)Perplexity AIGitHub CopilotGrammarlyOpenAI 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%