NotebookLM vs ChatGPT
Compare NotebookLM and ChatGPT: free credits, features, and ratings. Which one is right for you?
Category
LLM
LLM
Rating
β 5
β 4.5
Free Credits
999999 unlimited
4 and GPT Image 2 available via free channels
Refresh Period
unlimited
daily
Resolution
N/A
N/A
Watermark
No
No
Commercial Use
Yes
Yes
Paid From
Completely free
$20/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
ChatGPT
OpenAI's flagship product, the most widely used AI chatbot globally. Free tier uses GPT-4o mini, Plus users access GPT-4o and o3 reasoning models. Covers chat, image generation, coding, and data analysis.
Pros
- βLargest user base, most mature ecosystem
- βFree tier is already powerful for daily use
- βFull multimodal capabilities
- βMassive GPTs marketplace
- βRich plugin and tool ecosystem
Cons
- βLimited GPT-4o usage on free tier
- βo1 reasoning model requires Plus ($20/month)
- βFree users may queue during peak hours
- βRequires VPN in some regions
Key Features
Multi-turn ChatWeb SearchDALL-E Image GenerationCode InterpreterFile Upload AnalysisCustom GPTsVoice ChatDesktop/Mobile Apps