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google-gemma/cookbook

A collection of guides, tutorial notebooks, and end-to-end app examples for building with Google's open Gemma model family.

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What is it?

The Gemma Cookbook is a set of Jupyter notebooks and guides showing how to use the Gemma open models from Google. It covers the core Gemma line (from Gemma 2 through Gemma 4) as well as variants such as CodeGemma, PaliGemma, RecurrentGemma, ShieldGemma, and MedGemma, each with its own examples.

The repository is organized into folders for tutorials, full-stack apps, research-focused experiments such as TxGemma and MedGemma, responsible AI notebooks, core documentation, and an archive of older examples. Models can be obtained from the Hugging Face Hub, Kaggle, and Google Cloud Vertex AI Model Garden.

The project is aimed at developers who want working code for fine-tuning, inference, and building applications on Gemma. Since Gemma is an open model, the maintainers note that its outputs can be inaccurate and should be checked when building on these examples.

Key features

  • 01Tutorial notebooks for Gemma and its variants, kept tested and up to date.
  • 02Full-stack demo apps and end-to-end use cases.
  • 03Research notebooks for TxGemma and MedGemma.
  • 04Responsible AI development notebooks.
  • 05Available on Hugging Face Hub, Kaggle, and Vertex AI Model Garden.

Use cases

  • Learning how to run and prompt Gemma models in Python notebooks.
  • Building a multimodal app with PaliGemma or Gemma 3 image input.
  • Exploring domain-specific models such as MedGemma for healthcare prototypes.
  • Adding safety classification with ShieldGemma to an LLM application.

Quick start

  1. 1

    Clone the cookbook repository from GitHub

  2. 2

    Open the Tutorials folder and pick a notebook to run

Things to know

  • The cookbook is a collection of notebooks and guides rather than a single installable tool.
  • Examples depend on Gemma model access and may need a GPU or cloud resources to run.

Topics

#gemma#llm#jupyter-notebook#tutorial#multimodal#fine-tuning#google-ai#codegemma#paligemma#recurrentgemma

FAQ

What is cookbook?
A collection of guides, tutorial notebooks, and end-to-end app examples for building with Google's open Gemma model family. The Gemma Cookbook is a set of Jupyter notebooks and guides showing how to use the Gemma open models from Google. It covers the core Gemma line (from Gemma 2 through Gemma 4) as well as variants such as CodeGemma, PaliGemma, RecurrentGemma, ShieldGemma, and MedGemma, each with its own examples.
Is cookbook free to use? What license does it have?
cookbook is open source under the Apache-2.0 license. Check the license terms before using it in commercial products.
Is cookbook still maintained?
Actively maintained. The last commit to cookbook was on Oct 26, 2026.
What can I use cookbook for?
Learning how to run and prompt Gemma models in Python notebooks. Building a multimodal app with PaliGemma or Gemma 3 image input. Exploring domain-specific models such as MedGemma for healthcare prototypes. Adding safety classification with ShieldGemma to an LLM application.
How do I install cookbook?
Clone the cookbook repository from GitHub Open the Tutorials folder and pick a notebook to run
Where can I get cookbook?
The source code and installation instructions are on GitHub: https://github.com/google-gemma/cookbook

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