Gemini 3 Pro Image (Nano Banana Pro)

Gemini 3 Pro Image (Nano Banana Pro), is designed to tackle the most challenging image generation by incorporating state-of-the-art reasoning capabilities. It's the best model for complex and multi-turn image generation and editing, having improved accuracy and enhanced image quality.

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Model ID	gemini-3-pro-image
Supported inputs & outputs	Inputs: Text, Images Outputs: Text and image
Token limits	Maximum input tokens: 65,536 Maximum output tokens: 32,768
Capabilities	Supported Grounding with Google Search System instructions Count Tokens Thinking Content Credentials (C2PA) Image generation Interleaved images and text Edit images Multi-turn image editing Not supported Code execution Supervised fine-tuning Continuous tuning Preference tuning Tuning checkpoints Function calling Gemini Live API Implicit context caching Explicit context caching Vertex AI RAG Engine Chat completions
Consumption options	Supported Provisioned Throughput Standard PayGo Flex PayGo Batch inference Not supported Priority PayGo
	See Consumption options for more information.
Input size limit	500 MB
Technical specifications
	Images	Maximum images per prompt: 14 Maximum file size per file for inline data or direct uploads through the console: 7 MB Maximum file size per file from Google Cloud Storage: 30 MB Maximum number of output images per prompt: Limited to 32,768 output tokens Supported aspect ratios: 1:1, 3:2, 2:3, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9, 9:16 Supported resolutions: 1K, 2K, 4K (Preview) Supported MIME types: image/png, image/jpeg, image/webp, image/heic, image/heif
	Documents	Maximum number of files per prompt: As supported by the 65,536 token context window Maximum number of pages per file: As supported by the 65,536 token context window Maximum file size per file: 50 MB (API and Cloud Storage imports) or 7 MB (direct upload through Google Cloud console) Supported MIME types: application/pdf, text/plain
	Parameter defaults	Temperature: 0.0-2.0 topP: 0.0-1.0 (default 0.95) topK: 64 (fixed) candidateCount: 1
Supported regions
	Model availability	Global global
	See Deployments and endpoints for more information.
Knowledge cutoff date	January 2025
Versions	gemini-3-pro-image Launch stage: GA Release date: May 28, 2026
Security controls
	Online prediction	Data residency CMEK VPC-SC AXT
	Batch inference	Data residency CMEK VPC-SC AXT
	See Security controls for more information.
Supported languages	See Supported languages.
Pricing	See Pricing.

Image generation specifications

Gemini 3 Pro Image consumes 560 input image tokens per input image. Gemini 3 Pro Image consumes 1120 tokens for 1K (roughly 1MP) and 2K (roughly 4MP), and 2000 tokens for 4K (roughly 16MP). Additional charges for input and output tokens for other modalities such as text and video also apply. Refer to the pricing page for the latest.

For more information about image generation using Gemini 3 Pro Image, see Generate and edit images with Gemini.

Preview features

Preview

This product or feature is a Generative AI Preview offering, subject to the "Pre-GA Offerings Terms" of the Google Cloud Service Specific Terms, as well as the Additional Terms for Generative AI Preview Products. For this Generative AI Preview offering, Customers may elect to use it for production or commercial purposes, or disclose Generated Output to third-parties, and may process personal data as outlined in the Cloud Data Processing Addendum, subject to the obligations and restrictions described in the agreement under which you access Google Cloud. Pre-GA products are available "as is" and might have limited support. For more information, see the launch stage descriptions.

The following features remain in Preview on this GA endpoint:

• 4K image outputs