Directory

Compare Agents

Start Over4/5 selected
Perplexity AI70
NotebookLM67
GitHub Copilot70
Grok67

Add another agent
Research Agents

Market70
Trust29
Trend14
Votes98%
4,600
Watch
9,200
Votes
1200.0k
Views
Market67
Trust19
Trend47
Votes98%
1,900
Watch
4,200
Votes
360.0k
Views
Market70
Trust29
Trend20
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views
Market67
Trust19
Trend15
Votes96%
3,900
Watch
8,100
Votes
980.0k
Views

Side-by-Side Comparison

FeaturePerplexity AINotebookLMGitHub CopilotGrok
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Pricingfreemiumfreemiumpaidfreemium
Deploymentweb appweb appbrowser extensionweb app
Review LevelReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimed
Market Score70677067
Trust Score29192919
Trend Score14472015
Watchers4,6001,9007,1003,900
Page Views12000003600011900001980000
Upvotes9,2004,20014,2008,100
CountryUSUSUSUS
Founded2,0222,0232,0212,023
Agent Typeassistantassistantcopilotassistant
Model Stack
sonar-pro
sonar-huge
gpt-5
gemini-2.5-pro
gemini-2.5-flash
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
grok-4
grok-3
grok-2
Docs
Open Source
Demo
Websiteperplexity.ainotebooklm.google.comgithub.comgrok.com

Score Factor Breakdown

Factor (weight)Perplexity AINotebookLMGitHub CopilotGrok
Trust Score (25%)
29%
19%
29%
19%
Watchers (20%)
100%
100%
100%
100%
Net Votes (20%)
100%
100%
100%
100%
Page Views (15%)
100%
100%
100%
100%
Verification (10%)
25%
13%
25%
13%
Completeness (10%)
55%
55%
55%
55%