NotebookLM vs Gemini: Which AI Study Tool Should You Use?

A 50-Year-Old AI Student's Guide to Choosing the Right Study Tool

When I first enrolled in an AI program in my 50s, the unfamiliar technical terms and overwhelming concepts almost made me give up. The tool that truly saved my first semester was NotebookLM. By uploading my lecture notes, PDFs, and study guides, I could create audio overviews, practice questions, and study roadmaps. It honestly made me wonder if I could have survived my first semester without it.

I first heard about NotebookLM inside Gemini back in March and started using it heavily during midterms. Recently, as I prepared for the second semester, I noticed changes across Google's AI tools and started wondering how NotebookLM and Gemini differed in practice.

Seeing both tools, I asked myself: “Are these two tools doing the exact same thing?”

To find out, I spent some time testing both on my PC and mobile device. It turns out there are distinct differences, and each has its own strengths depending on how you want to study.

📱 How to Access These Tools Across Devices

  • Navigating where to find these tools on different devices is straightforward once you know the basics:

    • On Desktop (PC): You can use Gemini and NotebookLM in your browser. Gemini can also work with supported Google Workspace apps and connected content, depending on your settings and account.
    • On Mobile: You can use the Gemini app and NotebookLM app, making it easy to study, review materials, and listen to audio overviews on the go.
    Screenshot comparing how to access NotebookLM from Google Workspace apps and Laptop feature within Gemini.

💡 The Core Difference: Source-Grounded Study vs. Broad Exploration

The main distinction comes down to how you want to work with information.

  • NotebookLM: Best for source-grounded study. You create a notebook using selected materials such as PDFs, Google Drive files, websites, YouTube videos, and other supported sources, then explore those sources with AI.
  • Gemini: Better suited to broader exploration, brainstorming, and learning tasks that may go beyond a fixed collection of study sources.

1. NotebookLM — A Source-Grounded Study Room

NotebookLM acts like a research and study assistant. When I upload my professor's lecture slides or assigned reading PDFs, it can generate summaries and answer questions based on the sources in my notebook.

This makes it especially useful for exam prep and deep study. Because its responses are grounded in the sources you select, NotebookLM can help you stay focused on your course materials. As with any AI tool, however, important answers should still be checked against the original sources.

Screenshot of the NotebookLM dashboard displaying study notebook cards created for various subjects.

2. Gemini — An Idea-Expanding Assistant

Gemini is useful when I want to explore a topic more broadly, brainstorm ideas, ask follow-up questions, or connect what I am studying with additional information and examples.

It is particularly useful when you are in the brainstorming phase or want to connect your coursework to real-world examples.

📌 Practical Study Workflow

To get the most out of your learning, try choosing the tool based on your current goal:

  • Use NotebookLM when: You want to focus on a specific collection of lecture notes and other selected sources, generate study materials, or listen to audio overviews based on those sources.
  • Use Gemini when: You are starting a project, exploring a topic more broadly, or brainstorming ideas beyond a fixed collection of study materials.

🌱 What I Learned

Taking the time to test and understand these tools rather than just using them blindly was a rewarding learning process in itself.

Starting an AI journey in my 50s means that even a small UI change can feel intimidating at first. But by stepping forward, clicking around, and testing things out, I realized every tool has its purpose. Going into my second semester, I feel much more equipped to use both NotebookLM and Gemini strategically.

In my next post, I'll share how I've been using Gemini Gems to generate practice questions and hands-on exercises for the Google Certified Educator Level 1 exam. If you are hesitant about learning AI, remember that taking small, curious steps is all it takes!

🔗  Previous post on NotebookLM
Ace College Exams at 50: How Google NotebookLM Saved My AI Major 

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