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Gemini 3.1 Flash Image (Preview)

Google's Flash-speed image generation and editing model referenced as "Nano Banana 2" and listed on OpenRouter as a Gemini 3.1 Flash Image preview.

image-generationimage-editingmultimodal

Overview

Google's Flash-speed image generation and editing model referenced as "Nano Banana 2" and listed on OpenRouter as a Gemini 3.1 Flash Image preview.

Key Capabilities

Image Generation — suited for tasks requiring image generation proficiency
Image Editing — suited for tasks requiring image editing proficiency
Multimodal — suited for tasks requiring multimodal proficiency

Recommended Use Cases

Fast Image Generation
Image Editing
Creative Production

Technical Specifications

Context Window: 66K tokens
Open Weight: No
Release Date: February 26, 2026

Provider

Gemini 3.1 Flash Image (Preview) is developed by Google. For the latest information, visit the official documentation.