Gemini 3.1 Flash-Lite Image (Nano Banana 2 Lite)

Gemini 3.1 Flash-Lite Image (Nano Banana 2 Lite) is our fastest image generation model enabling rapid creation and iteration.

Try in Agent Studio Deploy example app

Note: "Deploy example app" requires a Google Cloud project with billing and Agent Platform API enabled.
Model ID gemini-3.1-flash-lite-image
Modalities
Text Input and output
Image Input and output
Audio Not supported
Video Input only
Token limits Maximum input tokens 65,536
Maximum output tokens 4,096
Capabilities
Consumption options
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, 1:4, 4:1, 1:8, 8:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9
  • Supported resolutions: 1K
  • 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 (default 1.0)
  • topP: 0.0-1.0 (default 0.95)
  • candidateCount: 1
Supported regions

Model availability
  • Global
    • global
See Deployments and endpoints for more information.
Knowledge cutoff date January 2025
Versions
  • gemini-3.1-flash-lite-image
    • Launch stage: GA
    • Release date: June 30, 2026
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.
Pricing See Pricing.

Image generation specifications

Gemini 3.1 Flash-Lite Image consumes 1120 input image tokens per input image. Gemini 3.1 Flash-Lite Image consumes 1120 output image tokens for 1K (roughly 1MP).

Videos are sampled at 1 frame per second, and each video frame accounts for 70 tokens. Audio in video files isn't used.

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 3.1 Flash-Lite Image, see Generate and edit images with Gemini.