Google Unveils Nano Banana Guide for Advanced Image Generation

Google has released an official guide for Nano Banana, a model that supports text-to-image generation, image editing, and multi-image synthesis. The guide emphasizes the importance of describing scenes rather than listing keywords. It includes six key techniques: creating photorealistic scenes, stylized illustrations, precise text rendering, product photography, minimalist design with negative space, and continuous art creation. Each technique comes with detailed templates and examples that can be experienced directly on Google AI Studio.

Nano Banana, also known as Gemini 2.5 Flash Image, offers a range of functionalities including text-to-image generation, image editing with text instructions, multi-image synthesis, iterative optimization, and text rendering. The guide aims to teach users how to write effective prompts and commands to fully utilize Nano Banana's capabilities. The core principle is to describe scenes in detail rather than simply listing keywords.

The six techniques provided in the guide are designed to help users create various types of images. The first technique focuses on creating photorealistic scenes by describing camera angles, lens types, lighting, and detailed textures. The second technique is about creating stylized illustrations and stickers by specifying the style, key features, and color palette. The third technique involves rendering text precisely within images, specifying the text content, font style, and overall design. The fourth technique is for product photography, where users can create high-resolution, studio-lit product images with specific lighting setups and camera angles. The fifth technique is about minimalist design with negative space, creating images with a single subject and a vast, empty background. The sixth technique is for creating continuous art, such as comic strips or storyboards, by describing scenes frame by frame.

Each technique comes with a template and an example prompt. For instance, the template for creating a photorealistic scene includes details like the type of shot, subject, action or expression, environment, lighting description, mood, camera or lens details, key textures and details, and aspect ratio. The example prompt for a photorealistic close-up portrait of an elderly Japanese ceramicist includes details like the subject's appearance, action, environment, lighting, camera lens, and overall mood. Similarly, the template for creating a stylized illustration includes details like the style, subject, key characteristics, color palette, line style, and shading style. The example prompt for a kawaii-style sticker of a happy red panda includes details like the subject's appearance, action, design features, and color palette.

The guide also provides code snippets for each technique, allowing users to directly call these functions in Google AI Studio. This makes it easier for users to experiment with different prompts and commands to achieve their desired results. The guide is a valuable resource for anyone looking to create high-quality images using Nano Banana, providing a comprehensive overview of its capabilities and how to use them effectively.