Model
Nano Banana 2.1 Google's Nano Banana 2.1: photorealistic images up to 4K with sharp, readable text, or edits and combinations of your images from a simple instruction. Can use a video, PDF or live web search as extra context. Mode Choose what you want to do.
Generate Create an image from your prompt Edit images Change or combine images you upload
Prompt * At least 3 characters. Be specific about subject, setting, lighting and any text.
Resolution Higher resolution gives more detail. 4K costs about twice as much.
Aspect Ratio Shape of the image. Supports extreme banner shapes like 8:1.
Advanced Options Thinking How much the model plans before drawing. Higher helps busy compositions and costs slightly more.
Style Instructions (Optional) Standing instructions for style or persona, applied on top of your prompt.
Output Format File type of the result.
Content Filter How strictly content is filtered. Lower blocks more.