Generative AI on Vertex AI deprecations

The Google Cloud Platform Terms of Service (section "Discontinuation of Services") defines the deprecation policy that applies to Generative AI on Vertex AI. The deprecation policy only applies to the services, features, or products listed therein.

After a service, feature, or product is officially deprecated, it continues to be available for at least the period of time defined in the Terms of Service. After this period of time, the service is scheduled for shutdown.

Feature Deprecated date Shutdown date Details
Generative AI module in the Vertex AI SDK June 24, 2025 June 24, 2026 Starting on June 24, 2025, the Generative AI module in the Vertex AI SDK is deprecated. The Generative AI module will be removed on June 24, 2026. For information about migrating to the Google Gen AI SDK, see Vertex AI SDK migration guide.
Imagen on Vertex AI versions 1 and 2,
image captioning,
and visual question answering (VQA) 		June 24, 2025 September 24, 2025

Starting on June 24, 2025, Imagen versions 1 and 2, image captioning, and visual question answering are deprecated.

On September 24, 2025 , the following features and models will be removed:

  • image captioning
  • visual question answering
  • Imagen 1 models imagegeneration@002
  • Imagen 2 models imagegeneration@005 and imagegeneration@006

For more information about migrating to Imagen 3, see Migrate to Imagen 3.

Imagen 4 Preview models October 14, 2025 November 30, 2025 The following Imagen 4 Preview models are retiring on November 30, 2025 : imagen-4.0-generate-preview-06-06, imagen-4.0-ultra-generate-preview-06-06, and imagen-4.0-fast-generate-preview-06-06. To avoid service disruption, migrate all workflows that use Imagen 4 preview models before November 30, 2025 , to the following Imagen 4 Generally Available models: imagen-4.0-generate-001, imagen-4.0-ultra-generate-001, imagen-4.0-fast-generate-001.
Imagen subject model and style model tuning October 14, 2025 December 31, 2025 Imagen subject model and style model tuning will be removed on December 31, 2025. We recommend that you use Gemini 2.5 Flash Image, which supports most use cases that require fine-tuning. For more information, see Edit images with Gemini.