Directory

Compare Agents

Start Over4/5 selected
Perplexity AI70
NotebookLM67
GitHub Copilot70
HuggingChat70

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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
Market70
Trust24
Trend53
Votes97%
980
Watch
2,100
Votes
220.0k
Views

Side-by-Side Comparison

FeaturePerplexity AINotebookLMGitHub CopilotHuggingChat
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Pricingfreemiumfreemiumpaidfree
Deploymentweb appweb appbrowser extensionweb app
Review LevelReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimed
Market Score70677070
Trust Score29192924
Trend Score14472053
Watchers4,6001,9007,100980
Page Views12000003600011900001220000
Upvotes9,2004,20014,2002,100
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
llama-4
deepseek-v3
mistral-large-3
Docs
Open Source
Demo
Websiteperplexity.ainotebooklm.google.comgithub.comhuggingface.co

Score Factor Breakdown

Factor (weight)Perplexity AINotebookLMGitHub CopilotHuggingChat
Trust Score (25%)
29%
19%
29%
24%
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%
80%