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Side-by-side comparison of Gemini Notebook, Perplexity
What matters	📓 Gemini Notebook	🔮 Perplexity
What it does	Google's source-based notebook assistant for understanding documents and developing research-oriented outputs.	AI search and research assistant that returns source-linked answers, with free and paid research options.
Best for	Source-grounded study and research notebooks	Source-linked web research and questions
Pricing model	Free plan + paid	Free plan + paid
Free-plan limits	Standard is free with a Gmail account: up to 100 notebooks per user and 50 sources per notebook (Plus 200/100, Pro 500/300, Ultra 500/500 or 600). Daily quotas reset after 24 hours and monthly quotas after 30 days; limits are subject to change.	Standard (free): 3 Pro Searches per day, 1 research query per month, practically unlimited basic searches, limited file uploads; no advanced AI models, file/app creation, image generation or Comet Assistant queries. API is pay-as-you-go with no complimentary credits.
Platforms	Web	Web
Key capabilities	Source-based questions Document analysis Notebook organisation Research outputs	Source-linked answers Web search Research tools Model choice on eligible plans
Strengths	A notebook organized around supplied sources fits a bounded research brief.	Source-linked answers make the verification trail easier to inspect.
Limitations	Standard access is available with eligible Google accounts. Google AI and Workspace plans add capacity; feature and notebook limits depend on the account. Source selection limits the answer; missing or outdated documents remain your responsibility.	Standard is free with basic access and limited advanced usage. Paid plans increase research and model allowances; API usage is billed separately. Citations are starting points: a real URL can still support a different claim.
No signup required	No	Not verified
No credit card required	Not verified	Not verified
Open source	Not verified	Not verified
Free trial	Not verified	Not verified
Access details reviewed	2026-10-06	2026-10-06
Official pricing / source	Check pricing Access source	Check pricing Access source
Next step	Explore Gemini Notebook	Explore Perplexity