Directory

Compare Agents

Grammarly62
Perplexity AI70
GitHub Copilot70
Augment Code67
OpenAI Codex CLI70
Market62
Trust19
Trend50
Votes95%
380
Watch
800
Votes
70.0k
Views
Market70
Trust29
Trend18
Votes98%
4,600
Watch
9,200
Votes
1200.0k
Views
Market70
Trust29
Trend19
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views
Market67
Trust19
Trend54
Votes98%
2,200
Watch
4,800
Votes
390.0k
Views
Market70
Trust24
Trend51
Votes98%
2,900
Watch
6,200
Votes
540.0k
Views

Side-by-Side Comparison

FeatureGrammarlyPerplexity AIGitHub CopilotAugment CodeOpenAI Codex CLI
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Reviewed
Pricingfreemiumfreemiumpaidpaidusage based
Deploymentbrowser extensionweb appbrowser extensionbrowser extensionapi
Review LevelReviewedReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimedunclaimed
Market Score6270706770
Trust Score1929291924
Trend Score5018195451
Watchers3804,6007,1002,2002,900
Page Views7000012000001900001390000540000
Upvotes8009,20014,2004,8006,200
CountryUSUSUSUSUS
Founded2,0092,0222,0212,0232,025
Agent Typeassistantassistantcopilotagentagent
Model Stack
grammarly-llm
gpt-4o
sonar-pro
sonar-huge
gpt-5
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
claude-4-5-opus
claude-4-5-sonnet
gpt-5
gpt-5
gpt-5-codex
o3
Docs
Open Source
Demo
Websitegrammarly.comperplexity.aigithub.comaugmentcode.comopenai.com

Score Factor Breakdown

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