What's a Gem?

You've mastered Gemini Notebook. You're uploading sources, generating Audio Overviews, and getting cited answers. But what if you could customize how Gemini Notebook talks to you?

Gemini Gems are custom AI assistants with saved instructions. Think of them as AI personas you design once and use forever. And as of December 2025, you can attach your Gemini Notebook notebooks directly to them.

The Game-Changer

Gemini Notebook gives you grounded answers from your materials. Gems give you custom behavior. Together? A personalized AI tutor that knows YOUR content and behaves exactly how you want.

Why This Matters

Gemini Notebook Alone Gemini Notebook + Gems
Generic AI personality YOUR custom AI personality
Same behavior every time Tailored to your learning style
No chat history saved Conversations saved in Gemini
Grounded answers only Grounded + web search
50 sources per notebook Up to 300 sources (Pro)

Explore Gems

Quick Start

Want to try it right now? Here's the fastest path:

  1. Go to gemini.google.com
  2. Click Gem manager → New Gem
  3. Paste this instruction: "You are a Socratic tutor. Never give me answers directly. Instead, ask probing questions that guide me to discover the answer. Reference my attached Gemini Notebook materials."
  4. Save, then click the paperclip icon → Gemini Notebook → choose a notebook
  5. Start chatting!
Ready to dive deeper?

Start with Getting Started with Gems for a complete walkthrough, or jump to Gems for Studying for copy-paste templates.