NotebookLM vs Gamma
Compare NotebookLM and Gamma: free credits, features, and ratings. Which one is right for you?
Category
LLM
AI Assistant
Rating
β 5
β 3.5
Free Credits
999999 unlimited
400 credits (initial grant)
Refresh Period
unlimited
one-time
Resolution
N/A
N/A
Watermark
No
Yes
Commercial Use
Yes
Yes
Paid From
Completely free
$10/month (Plus)
NotebookLM
Google's AI research tool, completely free. Up to 50 sources per notebook, auto-generates podcasts, video overviews, reports. Most underrated free AI tool of 2026.γ
Pros
- βCompletely free no limits
- βUnique podcast generation
- βAnswers based on source material
- βGoogle ecosystem integration
Cons
- βRequires Google account
- βMay need VPN in China
- βPodcasts currently English only
Key Features
Document analysis and Q&AAuto podcast generationAuto video overviewReport generationMind maps50 sources per notebook
Gamma
AI-powered presentation generator. Enter a topic and get auto-designed slides with layout, images, and content. Free plan: ~400 credits, no card required.γ
Pros
- βNo credit card needed
- βFast generation
- βProfessional layouts
- βChinese supported
Cons
- βFree plan has watermark
- βFree credits don't refresh
- βNo custom branding on free plan
Key Features
AI auto-generates presentationsSupports documents and web pagesAuto layout and image placementExport to PDFShare and embed linksMultiple templates and layouts