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.

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Model ID	gemini-3.1-flash-lite-image
Modalities	description Text Input and output photo Image Input and output mic Audio Not supported videocam Video Input only
Token limits	Maximum input tokens	65,536
	Maximum output tokens	4,096
Capabilities	Thinking Supported System instructions Supported Gemini Live API Not supported Structured output Not supported Context caching Implicit context caching Supported Count Tokens Supported RAG Engine Not supported Chat completions Not supported Tuning Not supported URL context Not supported Image generation Image generation, Image generation from video input Supported Edit images Edit images, Multi-turn image editing Supported Interleaved images and text Supported Content Credentials (C2PA) Supported
Tools	Grounding Not supported Code execution Not supported Function calling Not supported
Consumption options	Provisioned Throughput Supported Batch inference Supported Pay-as-you-go Standard PayGo, Flex PayGo Supported Fixed quota Not supported
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
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.

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.