Nano Banana 2 (Gemini) vs GPT Image 2 (ChatGPT) for virtual staging

Can you use AI to improve your real estate photos?

The quality of images generated by Nano Banana 2 and, more recently, GPT Image 2 from OpenAI and ChatGPT, is now good enough that it is certainly worth experimenting with.

The team at Virtual Staging Art uses the latest image models to find the best ways to enhance real estate photos with AI. Some experiments become product features. Some are useful only in narrow cases. Some look impressive for five seconds and then fall apart when you compare them to the original listing photo.

In this guide, we will show you what you can do with Nano Banana and GPT Image to improve your listing photos, the prompting strategies that tend to produce better results, and what to do when you do not get the result you are looking for.

How to get started

To test either model, upload one listing photo and ask for a staged version of the room. Include the room type, the style you want, and the parts of the photo that must remain unchanged.

What we need to keep in mind is that general purpose AI does not actually understand architecture, and reconstructs the image from scratch every time it generates. That means it might readily change details in the photo in order to fit staged furniture into it, from moving or inventing doors and windows to changing walls and other similar details that should not be allowed.

For best results, pick photos that are easy for the AI to stage without modifying structure:

• Vacant or mostly vacant rooms.
• Clear floor area.
• Simple room shape.
• Visible walls, windows, doors, and fixed features.
• Good natural or interior lighting.
• Obvious room type, such as bedroom, living room, dining room, or office.

Expect more issues with:

• Cluttered or occupied rooms.
• Unusual camera angles.
• Open-plan layouts.
• Small rooms where furniture scale is tight.
• Mirrors, glass walls, fireplaces, built-ins, or visible condition issues.

The harder the photo, the more explicit the prompt needs to be about walls, floors, windows, doors, fixtures, room dimensions, and camera perspective.

Nano Banana 2 vs GPT Image 2

For a fair test, run the same photo through both models with the same prompt. Then compare each staged result against the original photo.

Do not judge only by which image looks more polished. For real estate, the better result is the one that preserves the room more accurately.

Prompting strategy

Prompt in this order:

1. Identify the room.
2. Say the uploaded image is the source of truth.
3. List the architectural details that must stay unchanged.
4. Describe the staging style.
5. Specify scale and circulation.
6. Exclude renovation-style changes.

Base prompt:

Virtually stage this real estate photo as a [room type]. Treat the uploaded photo as the source of truth. Keep the room architecture, dimensions, walls, floor, ceiling, doors, windows, trim, built-ins, appliances, fixtures, exterior view, camera angle, lighting direction, and shadows unchanged. Add only movable furniture and decor in a [style] style. Use realistic furniture scale and keep natural walking paths open. Do not renovate, repaint, change flooring, alter fixtures, hide damage, add amenities, move windows or doors, or make the room look larger than it is.

Example:

Virtually stage this real estate photo as a vacant living room. Treat the uploaded photo as the source of truth. Keep the room architecture, dimensions, walls, floor, ceiling, doors, windows, trim, built-ins, appliances, fixtures, exterior view, camera angle, lighting direction, and shadows unchanged. Add only movable furniture and decor in a warm modern style. Use realistic furniture scale and keep natural walking paths open. Do not renovate, repaint, change flooring, alter fixtures, hide damage, add amenities, move windows or doors, or make the room look larger than it is.

Room-specific examples:

Living room

Stage this room as a real estate listing living room. Keep the walls, floor, ceiling, windows, doors, fireplace, built-ins, trim, view, camera angle, and lighting exactly as shown. Add a sofa, coffee table, rug, side tables, simple art, and warm neutral decor. Keep the furniture correctly scaled and leave clear walking paths from each doorway. Do not change the room size, flooring, wall color, window shape, fireplace, or exterior view.

Bedroom

Stage this room as a primary bedroom. Preserve the original walls, floor, ceiling, windows, closet doors, trim, lighting, camera angle, and room dimensions. Add a bed only if it fits the apparent room scale, plus nightstands, lamps, bedding, a rug, and minimal decor. Leave visible walking space around the bed. Do not move doors or windows, add built-ins, change wall color, or make the room feel larger than the original photo.

Kitchen

Lightly style this kitchen for a real estate listing. Keep the cabinets, counters, backsplash, appliances, sink, fixtures, flooring, walls, windows, and lighting exactly as photographed. Add only small movable styling items such as a bowl, plant, cutting board, towel, or simple counter decor. Do not renovate the kitchen, replace finishes, hide condition issues, or make it look newer than it is.

When the result is not ideal

Some issues are worth correcting with a follow-up prompt:

• Extra window added: "Remove the extra window. Use only the windows visible in the original photo."
• Doorway blocked: "Move the sofa so there is a clear path from the doorway into the room."
• Too much decor: "Use fewer accessories and make the room feel like a listing photo."
• Floor or wall color changed: "Keep the original floor and wall color. Only change furniture and decor."
• Room looks wider: "Preserve the original room dimensions and camera perspective."

Other issues are much harder to prompt away. Furniture scale is the biggest one. If a bed is too small, a sofa is too deep, or a dining table floats at the wrong size, a prompt like "make it properly scaled" is unreliable because the model is not measuring the room. It is generating a plausible image from visual patterns, so the next render may fix one object while making another one wrong.

The same is true when the AI repeatedly changes architecture. If it keeps moving windows, changing wall lines, or reshaping the room to fit furniture, the prompt may not be the main bottleneck anymore.

If the result is far off, simplify the request:

• Use fewer furniture pieces.
• Use a more neutral style.
• Avoid dramatic lighting changes.
• Avoid combining staging with renovation edits.
• Try the same prompt in the other model.
• Use a clearer source photo if one is available.

When scale or architecture problems keep coming back, use a workflow that makes before-and-after review and rerendering faster instead of trying to solve every failure in the prompt.

Before publishing

Compare the staged image directly with the original photo.

Check:

• Walls, floors, ceilings, doors, windows, stairs, fireplaces, built-ins, appliances, fixtures, and views stayed the same.
• Furniture looks physically possible in the room.
• Doorways, stairs, windows, and walking paths are not blocked.
• Lighting and shadows match the original photo.
• Fabrics, wood, metal, glass, rugs, and decor still look realistic at full size.
• The staged use matches what the room can honestly support.
• Damage, stains, missing fixtures, vents, outlets, and condition issues were not hidden.
• The staged image is disclosed according to your MLS, brokerage, portal, or local requirements.
• The original photo is saved.

If any of those checks fail, revise the image before publishing it.

When to use Virtual Staging Art

Nano Banana and GPT Image are worth testing when you want to explore what AI can do with a listing photo.

Virtual Staging Art is built for the next step: producing staged listing images consistently, without managing each room as a prompt experiment.

Use Virtual Staging Art when:

• You need to stage more than one or two rooms.
• You keep getting windows, walls, floors, or fixtures changed.
• Furniture scale keeps coming out wrong.
• You need to remove existing furniture before staging.
• You want to test multiple styles quickly.
• You need a clean before-and-after review.
• You need predictable pricing per usable image.
• You are producing images for a seller, brokerage, photographer client, MLS, or portal.

Inside Virtual Staging Art, the repeated parts of the process are handled in the product: upload, room type, style, staging, comparison against the original, rerendering, and export.

That is the point where dedicated staging infrastructure starts to matter more than another prompt revision.