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Start Over4/5 selected
NotebookLM67
Perplexity AI70
OpenAI Codex CLI70
GitHub Copilot70

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Research Agents

Market67
Trust19
Trend43
Votes98%
1,900
Watch
4,200
Votes
360.0k
Views
Market70
Trust29
Trend100
Votes98%
4,600
Watch
9,200
Votes
1200.0k
Views
Market70
Trust24
Trend40
Votes98%
2,900
Watch
6,200
Votes
540.0k
Views
Market70
Trust29
Trend100
Votes97%
7,100
Watch
14,200
Votes
1900.0k
Views

Side-by-Side Comparison

FeatureNotebookLMPerplexity AIOpenAI Codex CLIGitHub Copilot
Verification
Reviewed
Reviewed
Reviewed
Reviewed
Pricingfreemiumfreemiumusage basedpaid
Deploymentweb appweb appapibrowser extension
Review LevelReviewedReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimedunclaimed
Market Score67707070
Trust Score19292429
Trend Score4310040100
Watchers1,9004,6002,9007,100
Page Views36000012000005400001900001
Upvotes4,2009,2006,20014,200
CountryUSUSUSUS
Founded2,0232,0222,0252,021
Agent Typeassistantassistantagentcopilot
Model Stack
gemini-2.5-pro
gemini-2.5-flash
sonar-pro
sonar-huge
gpt-5
gpt-5
gpt-5-codex
o3
gpt-5
claude-sonnet-4.6
gemini-2.5-pro
Docs
Open Source
Demo
Websitenotebooklm.google.comperplexity.aiopenai.comgithub.com

Score Factor Breakdown

Factor (weight)NotebookLMPerplexity AIOpenAI Codex CLIGitHub Copilot
Trust Score (25%)
19%
29%
24%
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%
13%
25%
Completeness (10%)
55%
55%
80%
55%