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Compare Agents

Start Over4/5 selected
Perplexity AI70
NotebookLM67
GitHub Copilot70
ChatGPT70

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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
Trust29
Trend17
Votes98%
9,200
Watch
18,500
Votes
2800.0k
Views

Side-by-Side Comparison

FeaturePerplexity AINotebookLMGitHub CopilotChatGPT
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Pricingfreemiumfreemiumpaidfreemium
Deploymentweb appweb appbrowser extensionweb app
Review LevelReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimed
Market Score70677070
Trust Score29192929
Trend Score14472017
Watchers4,6001,9007,1009,200
Page Views120000036000119000012800000
Upvotes9,2004,20014,20018,500
CountryUSUSUSUS
Founded2,0222,0232,0212,022
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
gpt-5
gpt-5.2
gpt-5.2-thinking
Docs
Open Source
Demo
Websiteperplexity.ainotebooklm.google.comgithub.comchatgpt.com

Score Factor Breakdown

Factor (weight)Perplexity AINotebookLMGitHub CopilotChatGPT
Trust Score (25%)
29%
19%
29%
29%
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%
25%
Completeness (10%)
55%
55%
55%
55%