Gemini Image Generator

Overview

Generate images using Google's Gemini API with support for text-to-image generation, image editing, and multi-image reference inputs. Supports the fast Gemini 2.5 Flash Image model and the high-quality Gemini 3.1 Flash Image model with up to 4K resolution.

Model naming note (2026): Google's image generation models follow a "Nano Banana" branding. gemini-2.5-flash-image-preview is "Nano Banana", gemini-3.1-flash-image-preview is "Nano Banana 2". These are distinct from the conversational Gemini models. See models reference.

When to Use

• Generating app icons, logos, and UI assets
• Creating marketing visuals and promotional graphics
• Prototyping UI designs with AI-generated placeholders
• Generating game sprites and 2D assets
• Creating concept art and mood boards
• Editing or modifying existing images with text prompts
• Style transfer using reference images

Prerequisites