NotebookLM vs Grok
Compare NotebookLM and Grok: free credits, features, and ratings. Which one is right for you?
Category
LLM
API Platform
Rating
β 5
β 3.5
Free Credits
999999 unlimited
0 undefined
Refresh Period
unlimited
unlimited
Resolution
N/A
N/A
Watermark
No
No
Commercial Use
Yes
Yes
Paid From
Completely free
$8/month
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.
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
Grok
xAI's (Elon Musk) large language model. Grok 4.2/4.3 went viral on Bilibili. Free to use with no restrictions on mobile and PC. After removing limits, the experience rivals paid alternatives.
Pros
- βCompletely free to use
- βStrong Chinese language ability
- βWorks on mobile and PC
- βHigh popularity with active community
Cons
- βMay need workarounds to remove restrictions
- βMay need VPN for access in China
Key Features
Chat Q&ACode generationImage understandingReal-time web access