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Getting Started with the Gemini API in Vertex AI with cURL

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Quick tip: Review the prerequisites before you run the lab
Use an Incognito or private browser window to run this lab. This prevents any conflicts between your personal account and the student account, which may cause extra charges incurred to your personal account.
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Getting Started with the Gemini API in Vertex AI with cURL

Atelier 45 minutes universal_currency_alt 5 crédits show_chart Intermédiaire
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GSP1228

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Overview

In this lab, you learn how to use the Gemini API in Vertex AI with cURL commands to interact with the Gemini 1.5 Pro (gemini-1.5-pro) model. You will learn how to generate text from a prompt, add model parameters, chat, and generate text from images and video.

Gemini

Gemini is a family of powerful generative AI models developed by Google DeepMind, capable of understanding and generating various forms of content, including text, code, images, audio, and video.

Gemini API in Vertex AI

The Gemini API in Vertex AI provides a unified interface for interacting with Gemini models. This allows developers to easily integrate these powerful AI capabilities into their applications. For the most up-to-date details and specific features of the latest versions, please refer to the official Gemini documentation.

Gemini Models

  • Gemini Pro: Designed for complex reasoning, including:
    • Analyzing and summarizing large amounts of information.
    • Sophisticated cross-modal reasoning (across text, code, images, etc.).
    • Effective problem-solving with complex codebases.
  • Gemini Flash: Optimized for speed and efficiency, offering:
    • Sub-second response times and high throughput.
    • High quality at a lower cost for a wide range of tasks.
    • Enhanced multimodal capabilities, including improved spatial understanding, new output modalities (text, audio, images), and native tool use (Google Search, code execution, and third-party functions).

Prerequisites

Before starting this lab, you should be familiar with:

  • Basic Python programming.
  • General API concepts.
  • Running Python code in a Jupyter notebook on Vertex AI Workbench.

Objectives

In this lab, you will learn how to perform the following tasks:

  • Install the Python SDK
  • Use the Gemini API in Vertex AI to interact with each model
  • Use the Gemini 1.5 Pro (gemini-1.5-pro) model to generate text from image(s), text prompts and video

Setup and requirements

Before you click the Start Lab button

Read these instructions. Labs are timed and you cannot pause them. The timer, which starts when you click Start Lab, shows how long Google Cloud resources are made available to you.

This hands-on lab lets you do the lab activities in a real cloud environment, not in a simulation or demo environment. It does so by giving you new, temporary credentials you use to sign in and access Google Cloud for the duration of the lab.

To complete this lab, you need:

  • Access to a standard internet browser (Chrome browser recommended).
Note: Use an Incognito (recommended) or private browser window to run this lab. This prevents conflicts between your personal account and the student account, which may cause extra charges incurred to your personal account.
  • Time to complete the lab—remember, once you start, you cannot pause a lab.
Note: Use only the student account for this lab. If you use a different Google Cloud account, you may incur charges to that account.

How to start your lab and sign in to the Google Cloud console

  1. Click the Start Lab button. If you need to pay for the lab, a dialog opens for you to select your payment method. On the left is the Lab Details pane with the following:

    • The Open Google Cloud console button
    • Time remaining
    • The temporary credentials that you must use for this lab
    • Other information, if needed, to step through this lab

  2. Click Open Google Cloud console (or right-click and select Open Link in Incognito Window if you are running the Chrome browser).

    The lab spins up resources, and then opens another tab that shows the Sign in page.

    Tip: Arrange the tabs in separate windows, side-by-side.

    Note: If you see the Choose an account dialog, click Use Another Account.

  3. If necessary, copy the Username below and paste it into the Sign in dialog.

    {{{user_0.username | "Username"}}}

    You can also find the Username in the Lab Details pane.

  4. Click Next.

  5. Copy the Password below and paste it into the Welcome dialog.

    {{{user_0.password | "Password"}}}

    You can also find the Password in the Lab Details pane.

  6. Click Next.

    Important: You must use the credentials the lab provides you. Do not use your Google Cloud account credentials. Note: Using your own Google Cloud account for this lab may incur extra charges.

  7. Click through the subsequent pages:

    • Accept the terms and conditions.
    • Do not add recovery options or two-factor authentication (because this is a temporary account).
    • Do not sign up for free trials.

After a few moments, the Google Cloud console opens in this tab.

Note: To access Google Cloud products and services, click the Navigation menu or type the service or product name in the Search field. Navigation menu icon and Search field

Task 1. Open the notebook in Vertex AI Workbench

  1. In the Google Cloud console, on the Navigation menu (Navigation menu icon), click Vertex AI > Workbench.

  2. Find the instance and click on the Open JupyterLab button.

The JupyterLab interface for your Workbench instance opens in a new browser tab.

Task 2. Set up the notebook

  1. Open the file.

  2. In the Select Kernel dialog, choose Python 3 from the list of available kernels.

  3. Run through the Getting Started and the Import libraries sections of the notebook.

    • For Project ID, use , and for Location, use .
Note: You can skip any notebook cells that are noted Colab only. If you experience a 429 response from any of the notebook cell executions, wait 1 minute before running the cell again to proceed.

In the following sections, you will run through the notebook cells to see how to use the Gemini API in Vertex AI with cURL commands to interact with the Gemini 1.5 Pro (gemini-1.5-pro) model.

Task 3. Use the Gemini Pro Model

Gemini 1.5 Pro (gemini-1.5-pro) model is tailored for natural language tasks such as classification, summarization, extraction, and writing. In this task, you will learn how to use the Gemini 1.5 Pro to generate text from a prompt.

  1. In this task, run through the notebook cells to see how to use the Gemini Pro model to generate text from a text prompt.
Note: Save the notebook file before clicking on the Check my progress button for every task.

Click Check my progress to verify the objective. Generate text from the text prompt

Generate multi-turn conversations from the chat prompt Run Function calling cell in the notebook

Task 4. Multimodal input

The Gemini 1.5 Pro (gemini-1.5-pro) is a multimodal model that supports adding images and videos in text or chat prompts for a text response.

  1. In this task, run through the notebook cells to see how to use the Gemini 1.5 Pro model to generate text from an image from a local file, an image from Google Cloud Storage, and a video file.

Click Check my progress to verify the objective. Generate text from the image file

Generate text from the video file

Congratulations!

Congratulations! In this lab, you have successfully learned how to use the Gemini API in Vertex AI with cURL commands to interact with the Gemini 1.5 Pro (gemini-1.5-pro) model to generate text, add model parameters, chat, generate text from a local image, generate text from an image on Google Cloud Storage and generate text from a video file.

Next steps / learn more

Check out the following resources to learn more about Gemini:

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Manual Last December 27, 2024

Lab Last Tested December 12, 2024

Copyright 2025 Google LLC All rights reserved. Google and the Google logo are trademarks of Google LLC. All other company and product names may be trademarks of the respective companies with which they are associated.

Before you begin

  1. Labs create a Google Cloud project and resources for a fixed time
  2. Labs have a time limit and no pause feature. If you end the lab, you'll have to restart from the beginning.
  3. On the top left of your screen, click Start lab to begin

Use private browsing

  1. Copy the provided Username and Password for the lab
  2. Click Open console in private mode

Sign in to the Console

  1. Sign in using your lab credentials. Using other credentials might cause errors or incur charges.
  2. Accept the terms, and skip the recovery resource page
  3. Don't click End lab unless you've finished the lab or want to restart it, as it will clear your work and remove the project

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Confirm to end all existing labs and start this one

Setup your console before you begin

Use an Incognito or private browser window to run this lab. This prevents any conflicts between your personal account and the Student account, which may cause extra charges incurred to your personal account.