Model Generation
Write prompts to generate images from scratch or edit existing images.
Model Generation: start from an image

Model Generation: start from text

Create a New Scene
Every time you create a new scene, you will be asked how would you like to start your generation. To move forward with your generation, select one of the following two methods:
Start from image: best for editing or refining and existing image. (Learn how to here)
Start from text: best for generating images from scratch. (Learn how to here)

How to create a new scene
Scene Panel on the left side of the screen: On the left upper side of the screen on the "Scene Panel", select the icon to a create a new scene.
From anywhere on the playground Right-click anywhere on your playground and choose + create new scene or use the keyboard shortcut +Shift+S on Mac and Control+Shift+S on Windows.
Drag & drop an image onto the playground Drag an image from the Library panel on the left side & drop onto the empty space in the playground will automatically create a new scene.
Every time you create a new playground Upon launching your new playground, you will be prompted to choose how you would like to begin your scene.
Start from an image
Select "start from image" to edit or refine an existing visual. This feature lets you use your image as a base and implement changes or add details through text prompts. The task is highly flexible, but the outcome relies on the clarity of your prompt and the image generation model used.
Upload Your Image
Select and upload the image you would like to edit.
You may upload an image by:
Dragging and dropping an image from the Library panel
Selecting Upload an image inside the scene
Dragging and dropping an image from a folder on your computer
Once uploaded, the product will appear in the scene.
Optional: Use the Brush Tool
Use Brush to provide localized visual guidance to the AI model. Draw shapes, separate instructions by color, and clarify intent directly on the canvas:
Under the scene, select the Brush from the tools menu.
Draw shapes directly on the canvas to indicate areas of change.
Reference Brush Layers in Your Prompt
Read more about the Brush tool here
Optional: Add a reference image
You may add up to 3 reference images to the basic text input to give more guidance to the prompt generator. On the Generation Settings Panel:
Select the Reference Image under the prompt text area.
Select up to 3 images from the Playground or Upload tab.
If uploading:
Select the Upload tab.
Select Upload or choose a previously uploaded image.
To remove a reference image:
Hover over the image number.
Select the button.
Start from text
Select "start from text" to generate an image from scratch. The outcome relies on the clarity of your prompt and the image generation model used.
Select an Aspect Ratio
Under:
Open the Aspect Ratio dropdown menu.
Select the appropriate resolution and format for your output. Resolution
Generation effort for Nano Banana Pro
Generation effort controls how closely Nano Banana Pro analyzes your image before generating, so fine detail like product shape, embossed logos, and texture come through intact.
There are two effort levels:
Standard (default): best for most generations. Takes approximately 60 seconds.
Precise: analyzes your image closely, best for complex elements. Takes approximately 90 seconds.

How to use

Open the effort selector
Next to Generate, select the arrow to open the effort dropdown.
Standard is selected by default.
Choose Precise for complex elements
Select Precise for generations with fine detail, such as packaging shape, embossed logos, or texture.
The Generate button's icon and background update to show your selection.
Generate
Select Generate.
Precise takes longer than Standard, approximately 90 seconds.