API Reference Nano Banana Generate and edit images from prompts or reference photos with Google's Nano Banana Gemini models. Copy page Copied Copy failed. Select the text and copy it manually. View Markdown Nano Banana 画像編集 Edit one or more source images with a prompt and aspect ratio control. Nano Banana テキストから画像 Generate images with Google's Nano Banana Gemini models, with aspect ratio, resolution, and references.