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Compare Agents

Start Over4/5 selected
Perplexity AI70
GitHub Copilot70
NotebookLM67
ChatGPT70

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Research Agents

Market70
Trust29
Trend97
Votes98%
4,600
Watch
9,200
Votes
1200.0k
Views
Market70
Trust29
Trend100
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views
Market67
Trust19
Trend60
Votes98%
1,900
Watch
4,200
Votes
360.0k
Views
Market70
Trust29
Trend100
Votes98%
9,200
Watch
18,500
Votes
2800.0k
Views

Side-by-Side Comparison

FeaturePerplexity AIGitHub CopilotNotebookLMChatGPT
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Pricingfreemiumpaidfreemiumfreemium
Deploymentweb appbrowser extensionweb appweb app
Review LevelReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimed
Market Score70706770
Trust Score29291929
Trend Score9710060100
Watchers4,6007,1001,9009,200
Page Views120000019000013600012800000
Upvotes9,20014,2004,20018,500
CountryUSUSUSUS
Founded2,0222,0212,0232,022
Agent Typeassistantcopilotassistantassistant
Model Stack
sonar-pro
sonar-huge
gpt-5
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
gemini-2.5-pro
gemini-2.5-flash
gpt-5
gpt-5.2
gpt-5.2-thinking
Docs
Open Source
Demo
Websiteperplexity.aigithub.comnotebooklm.google.comchatgpt.com

Score Factor Breakdown

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