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Start Over4/5 selected
NotebookLM67
Microsoft Copilot70
Perplexity AI70
GitHub Copilot70

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Research Agents

Market67
Trust19
Trend47
Votes98%
1,900
Watch
4,200
Votes
360.0k
Views
Market70
Trust29
Trend77
Votes96%
3,500
Watch
7,200
Votes
850.0k
Views
Market70
Trust29
Trend79
Votes98%
4,600
Watch
9,200
Votes
1200.0k
Views
Market70
Trust29
Trend68
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views

Side-by-Side Comparison

FeatureNotebookLMMicrosoft CopilotPerplexity AIGitHub Copilot
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Pricingfreemiumfreemiumfreemiumpaid
Deploymentweb appweb appweb appbrowser extension
Review LevelReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimed
Market Score67707070
Trust Score19292929
Trend Score47777968
Watchers1,9003,5004,6007,100
Page Views36000185000012000001900001
Upvotes4,2007,2009,20014,200
CountryUSUSUSUS
Founded2,0232,0232,0222,021
Agent Typeassistantcopilotassistantcopilot
Model Stack
gemini-2.5-pro
gemini-2.5-flash
gpt-5
gpt-4o
sonar-pro
sonar-huge
gpt-5
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
Docs
Open Source
Demo
Websitenotebooklm.google.comcopilot.microsoft.comperplexity.aigithub.com

Score Factor Breakdown

Factor (weight)NotebookLMMicrosoft CopilotPerplexity AIGitHub Copilot
Trust Score (25%)
19%
29%
29%
29%
Watchers (20%)
100%
100%
100%
100%
Net Votes (20%)
100%
100%
100%
100%
Page Views (15%)
100%
100%
100%
100%
Verification (10%)
13%
25%
25%
25%
Completeness (10%)
55%
55%
55%
55%