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NotebookLM67
Perplexity AI70
OpenAI Codex CLI70

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Research Agents

Market67
Trust19
Trend53
Votes98%
1,900
Watch
4,200
Votes
360.0k
Views
Market70
Trust29
Trend69
Votes98%
4,600
Watch
9,200
Votes
1200.0k
Views
Market70
Trust24
Trend58
Votes98%
2,900
Watch
6,200
Votes
540.0k
Views

Side-by-Side Comparison

FeatureNotebookLMPerplexity AIOpenAI Codex CLI
Verification
Reviewed
Reviewed
Reviewed
Pricingfreemiumfreemiumusage based
Deploymentweb appweb appapi
Review LevelReviewedReviewedReviewed
Ownershipunclaimedunclaimedunclaimed
Market Score677070
Trust Score192924
Trend Score536958
Watchers1,9004,6002,900
Page Views3600011200000540000
Upvotes4,2009,2006,200
CountryUSUSUS
Founded2,0232,0222,025
Agent Typeassistantassistantagent
Model Stack
gemini-2.5-pro
gemini-2.5-flash
sonar-pro
sonar-huge
gpt-5
gpt-5
gpt-5-codex
o3
Docs
Open Source
Demo
Websitenotebooklm.google.comperplexity.aiopenai.com

Score Factor Breakdown

Factor (weight)NotebookLMPerplexity AIOpenAI Codex CLI
Trust Score (25%)
19%
29%
24%
Watchers (20%)
100%
100%
100%
Net Votes (20%)
100%
100%
100%
Page Views (15%)
100%
100%
100%
Verification (10%)
13%
25%
13%
Completeness (10%)
55%
55%
80%