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
Modalities
Text Input and output
Image Input and output
Audio Not supported
Video Not supported
Token limits Context window 65,536
Maximum output tokens 32,768
Capabilities
Tools
Consumption options
Input size limit 500 MB
Technical specifications Image
  • 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, 1:4, 4:1, 4:3, 4:5, 5:4, 1:8, 8:1, 9:16, 16:9, 21:9, 9:21
  • Supported resolutions: 1K, 2K, 4K
  • Supported MIME types:
    image/png, image/jpeg, image/webp, image/heic, image/heif
Text
  • 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 (default 1.0)
  • topP: 0.0-1.0 (default 0.95)
  • candidateCount: 1
Supported regions

Model availability

  • Global: global
Versions
  • gemini-3-pro-image
    • Launch stage: GA
    • Release date: May 28, 2026
    • Retirement date†: May 28, 2027 or later
Security controls Online prediction
  • Data residency
  • CMEK
  • VPC-SC
  • AXT
Batch inference
  • Data residency
  • CMEK
  • VPC-SC
  • AXT
Context caching
  • Data residency
  • CMEK
  • VPC-SC
  • AXT
See Security controls for more information.

† Listed retirement dates refer to retirement of support in Gemini Enterprise Agent Platform. Models may remain accessible through the Gemini API after these dates have passed. The Gemini API is not a Google Cloud offering and is subject to its own terms of service. For details, see the Gemini API documentation.

Image generation specifications

Gemini 3 Pro Image consumes 560 tokens per input image.

Output image token consumption varies based on the generated image resolution:

Output resolution Approximate megapixels Output image tokens
1K 1 1,120
2K 4 1,120
4K 16 2,000

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