Imagen 4

Imagen 4 is our latest line of image generation models. This page documents the capabilities and features of the Imagen 4 models.

Caution: The following table describes image generation endpoints that are deprecated and their replacements. We recommend updating your model endpoints before June 30, 2026, to avoid service disruption.

Discontinued endpoints	Recommended endpoint migration
`imagegeneration@002`	`gemini-2.5-flash-image`
`imagegeneration@003`	`gemini-2.5-flash-image`
`imagegeneration@004`	`gemini-2.5-flash-image`
`imagegeneration@005`	`gemini-2.5-flash-image`
`imagegeneration@006`	`gemini-2.5-flash-image`
`imagetext@001`	`gemini-2.5-flash-image`
`imagen-3.0-capability-001`	`gemini-2.5-flash-image`
`imagen-3.0-capability-002`	`gemini-2.5-flash-image`
`imagen-3.0-fast-generate-001`	`gemini-2.5-flash-image`
`imagen-3.0-generate-001`	`gemini-2.5-flash-image`
`imagen-3.0-generate-002`	`gemini-2.5-flash-image`
`imagen-4.0-fast-generate-001`	`gemini-2.5-flash-image`
`imagen-4.0-generate-001`	`gemini-2.5-flash-image`
`imagen-4.0-ultra-generate-001`	`gemini-2.5-flash-image`

4.0 Generate 001

Model ID	`imagen-4.0-generate-001`
Supported inputs & outputs	Inputs: Text Outputs: Images
Capabilities	Supported Image generation Digital watermarking and verification User-configurable safety settings Prompt enhancement using prompt rewriter Preview feature Person generation Content Credentials (C2PA) Not supported Image customization using few-shot learning Subject customization for product, person, and animal companion Style customization Controlled customization Instruct customization or style transfer Mask-based image editing Insert objects in images Remove objects from images Outpainting Product image editing Upscale images Negative prompting
Usage types	Supported Provisioned Throughput Not supported
Technical specifications
Technical specifications	Images	Maximum image size: 10MB Maximum number of output images per prompt: 4 Supported aspect ratios: 1:1, 3:4, 4:3, 9:16, and 16:9 Supported resolutions: 1024x1024, 896x1280, 1280x896, 768x1408, 1408x768, 2048x2048, 1792x2560, 2560x1792, 1536x2816, 2816x1536 Supported MIME types: `image/png`, `image/jpeg`
Prompt languages	English Chinese (simplified) Preview feature Chinese (traditional) Preview feature Hindi Preview feature Japanese Preview feature Korean Preview feature Portuguese Preview feature Spanish Preview feature
Quotas	Regional online prediction requests per base model per minute per base model: 75

4.0 Fast Generate 001

Model ID	`imagen-4.0-fast-generate-001`
Supported inputs & outputs	Inputs: Text Outputs: Images
Capabilities	Supported Image generation Digital watermarking and verification User-configurable safety settings Prompt enhancement using prompt rewriter Preview feature Person generation Content Credentials (C2PA) Not supported Image customization using few-shot learning Subject customization for product, person, and animal companion Style customization Controlled customization Instruct customization or style transfer Mask-based image editing Insert objects in images Remove objects from images Outpainting Product image editing Upscale images Negative prompting
Usage types	Supported Provisioned Throughput Not supported
Technical specifications
Technical specifications	Images	Maximum image size: 10MB Maximum number of output images per prompt: 4 Supported aspect ratios: 1:1, 3:4, 4:3, 9:16, and 16:9 Supported resolutions: 1024x1024, 896x1280, 1280x896, 768x1408, 1408x768 Supported MIME types: `image/png`, `image/jpeg`
Prompt languages	English Chinese (simplified) Preview feature Chinese (traditional) Preview feature Hindi Preview feature Japanese Preview feature Korean Preview feature Portuguese Preview feature Spanish Preview feature
Quotas	Regional online prediction requests per base model per minute per base model: 150

4.0 Ultra Generate 001

Model ID	`imagen-4.0-ultra-generate-001`
Supported inputs & outputs	Inputs: Text Outputs: Images
Capabilities	Supported Image generation Digital watermarking and verification User-configurable safety settings Prompt enhancement using prompt rewriter Preview feature Person generation Content Credentials (C2PA) Not supported Image customization using few-shot learning Subject customization for product, person, and animal companion Style customization Controlled customization Instruct customization or style transfer Mask-based image editing Insert objects in images Remove objects from images Outpainting Product image editing Upscale images Negative prompting
Usage types	Supported Provisioned Throughput Not supported
Technical specifications
Technical specifications	Images	Maximum image size: 10MB Maximum number of output images per prompt: 4 Supported aspect ratios: 1:1, 3:4, 4:3, 9:16, and 16:9 Supported resolutions: 1024x1024, 896x1280, 1280x896, 768x1408, 1408x768, 2048x2048, 1792x2560, 2560x1792, 1536x2816, 2816x1536 Supported MIME types: `image/png`, `image/jpeg`
Prompt languages	English Chinese (simplified) Preview feature Chinese (traditional) Preview feature Hindi Preview feature Japanese Preview feature Korean Preview feature Portuguese Preview feature Spanish Preview feature
Quotas	Regional online prediction requests per base model per minute per base model: 30

For Imagen pricing information, see the Imagen section of the Cost of building and deploying AI models in Vertex AI page.

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4.0 Generate 001

4.0 Fast Generate 001

4.0 Ultra Generate 001

Imagen 4