Yes, ChatGPT room design works, up to a point, and the free version is enough. It is great at styles, palettes, layouts and shopping lists. It is not built to show those ideas on your actual room. Here is how to get the most out of it, nine prompts to copy, and how to see the result on a photo of your own space.
By Kamil Uhryn, founder of Decoratly · Updated October 2026
Example prompt
The kind of plan to expect
Style: Warm Minimalist, to bring warmth to cool north light.
Palette: oat white walls, warm sand, walnut, olive accents.
1. Repaint in a warm white. 2. A 9×12 jute rug. 3. Two warm table lamps. 4. Walnut coffee table. 5. Linen curtains hung high and wide.
Then see that plan on your real room. How ↓
It is an excellent design assistant for thinking. Picturing the result on your real room is where it stops.
Room type, size in feet, window direction, flooring, and the pieces you are keeping. Specific inputs get specific answers.
"Dark and dated" and "calm boutique hotel" give ChatGPT a starting point and a target.
A dollar limit, renting or owning, kids or pets. Constraints turn a mood board into a plan.
"Which of those three changes matters most?" "Give me a cheaper version." "Compare the two palettes."
Upload a photo of the room to a photo-based tool and try the style ChatGPT suggested, before you buy anything.
Written to get specific, usable answers: a style, a palette, an order of changes and a budget. Pick your room, copy, fill in the brackets.
Living room
Act as an interior designer. My living room is [size, e.g. 13×16 ft] with [window direction] light and [flooring]. I'm keeping my [piece you keep]. It feels [what's wrong]. Give me one cohesive style, a 4-color palette with hex codes, and 5 changes in order of impact, under $[budget].
You get: A style, a palette and a prioritized change list you can act on this weekend.
Living room
Compare [style A, e.g. Japandi] and [style B, e.g. Coastal] for a [size] living room with [window direction] light. For each: pros, cons, a 4-color palette and the first 3 pieces to buy.
You get: A side-by-side that makes the decision easier.
Bedroom
Redesign my [size] bedroom to feel like [mood, e.g. a quiet boutique hotel]. I'm keeping my [bed or furniture], the floor is [flooring], one [window direction] window. Give me a palette, bedding and lighting choices, and 3 changes under $[budget].
You get: A mood-led plan built around your existing bed.
Kitchen
My kitchen has [cabinet color and material], [countertop] and [appliance finish]. It feels [what's wrong]. Without replacing cabinets or counters, suggest hardware, lighting, backsplash, paint and 3 decor changes, with a rough cost for each.
You get: The changes that make the biggest difference for the least money.
Bathroom
My bathroom is [size] with [tile color], a [vanity type] and [window or no window]. I want it to feel like a spa. Suggest paint, lighting, textiles, storage and accessories under $[budget], and say which tile I could live with versus replace.
You get: A low-cost spa refresh, and a clear answer on the tile.
Small spaces
My studio is [square feet]. I need a living area, a sleeping area and a work corner without building walls. Give me 5 layout moves, the furniture sizes that fit, and what to put where.
You get: Zones you can set up with furniture, rugs and light.
Rentals
I rent a [room] and can't paint, drill much or replace fixtures. Give me 7 reversible upgrades that make it feel [mood], under $[budget], with what to buy for each.
You get: Removable changes: textiles, lighting, rugs, plug-in fixtures.
Any room
I'll describe my [room]: [describe it, or upload a photo]. It feels [what's wrong]. Diagnose the likely causes (light, color, layout, scale, clutter) and give me a prioritized fix list with no renovation.
You get: A diagnosis, then fixes in the order that matters.
Any room
I like [3 things you like, e.g. warm wood, plants, linen] and dislike [2 things]. Name the interior design style that fits me, explain it in 3 sentences, and list the 5 pieces that define it.
You get: A style name you can search for and try on your own photo.
Replace the parts in [brackets] with your own room. Paste into ChatGPT, or any AI assistant.
The example prompt above asked for a warmer, calmer living room. This is a real living room photo, redesigned by Decoratly in Warm Minimalist: same windows and fireplace, the plan made visible.
📷 Before✨ Warm Minimalist1 free design in one of six free styles, no signup and no card (US, Canada, the UK and several European countries).
01
"13×16 ft, north light, gray sectional" gets a real plan. "Make my living room nice" gets a list of trends.
02
Every plan should start from what stays. Otherwise ChatGPT redesigns a room you don't own.
03
"Which change matters most?" turns ten ideas into a plan you can start this weekend.
04
Rug, sofa and walkway sizes in an answer are only as right as the measurements you gave. Measure before you buy.
05
Text is easy to agree with. Seeing the style on a photo of your own room is where most plans are confirmed or quietly dropped.
Yes, for planning. ChatGPT is good at suggesting a style, a color palette, a layout and a shopping list, and it can describe a photo you upload. It is not built specifically to keep your room's walls, windows and proportions when it makes an image, so to see the plan on your actual room a photo-based tool such as Decoratly is more reliable.
ChatGPT has a free plan with daily limits, which is enough for most room planning. Paid plans start at $8 a month, and Plus is $20 a month. Decoratly's first design of your own room is free too, with no signup.
Describe the room in numbers (size, window direction, flooring, what you are keeping), say what feels wrong and what you want, give a budget, then ask follow-up questions to narrow it down. The prompts on this page are ready to copy. Finally, try the suggested style on a photo of your room before you buy anything.
It can look at a photo and describe what to change, and it can generate or edit images. Because it is a general assistant, its pictures are not built to keep your exact walls, windows and layout. Decoratly is made for that one job: it redesigns the room in your photo and keeps its architecture.
One with numbers and constraints: "Act as an interior designer. My living room is 13×16 ft with north light and I'm keeping my gray sectional. It feels dark and dated. Give me one style, a 4-color palette with hex codes and 5 changes in order of impact, under $1,500." More prompts, by room, are on this page.
Both, for different steps. ChatGPT for thinking: style, palette, layout, budget. Decoratly for seeing: your own room redesigned in that style in about 30 seconds, from a photo. Many people ask ChatGPT for a direction, then test it on their room with Decoratly.
Kamil Uhryn, who builds and runs Decoratly, an AI interior design app. Decoratly is not affiliated with OpenAI or ChatGPT. The prompts here work in ChatGPT or any AI assistant; the before and after was made by Decoratly from an ordinary phone photo.
Last updated October 2026.
