Starting April 29, 2025, Gemini 1.5 Pro and Gemini 1.5 Flash models are not available in projects that have no prior usage of these models, including new projects. For details, see Model versions and lifecycle.

Classify objects

Label objects with custom categories using examples.

You can query a model directly and test the results returned when using different parameter values with the Cloud console, or by calling the Vertex AI API directly.

For an example of using the Vertex AI API, see Quickstart using the Vertex AI API.
To view this sample in the Cloud console: Go to Google Cloud console

System instructions

Multiple-choice problem: What is the category of the object? - red wine - white wine

Please only print the category name without anything else.

Examples Structured

Text

The answer is

chardonnay

white wine

cabernet sauvignon

red wine

Test

Text

The answer is

merlot

red wine

Model:	gemini-2.5-pro
Temperature:	0.2
Max output tokens:	256
TopK:	40.0
TopP:	0.95

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025-09-18 UTC.

Classify objects Stay organized with collections Save and categorize content based on your preferences.

Examples Structured

Test

Classify objects