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Start Over4/5 selected
NotebookLM67
GitHub Copilot70
Perplexity AI70
HuggingChat70

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Research Agents

Market67
Trust19
Trend55
Votes98%
1,900
Watch
4,200
Votes
360.0k
Views
Market70
Trust29
Trend60
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views
Market70
Trust29
Trend66
Votes98%
4,600
Watch
9,200
Votes
1200.0k
Views
Market70
Trust24
Trend51
Votes97%
980
Watch
2,100
Votes
220.0k
Views

Side-by-Side Comparison

FeatureNotebookLMGitHub CopilotPerplexity AIHuggingChat
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Pricingfreemiumpaidfreemiumfree
Deploymentweb appbrowser extensionweb appweb app
Review LevelReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimed
Market Score67707070
Trust Score19292924
Trend Score55606651
Watchers1,9007,1004,600980
Page Views36000119000011200000220000
Upvotes4,20014,2009,2002,100
CountryUSUSUSUS
Founded2,0232,0212,0222,023
Agent Typeassistantcopilotassistantassistant
Model Stack
gemini-2.5-pro
gemini-2.5-flash
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
sonar-pro
sonar-huge
gpt-5
llama-4
deepseek-v3
mistral-large-3
Docs
Open Source
Demo
Websitenotebooklm.google.comgithub.comperplexity.aihuggingface.co

Score Factor Breakdown

Factor (weight)NotebookLMGitHub CopilotPerplexity AIHuggingChat
Trust Score (25%)
19%
29%
29%
24%
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%
13%
Completeness (10%)
55%
55%
55%
80%