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product ad prompt

Product ad prompts, tested on 15 real briefs

Prompt lists show the best picture someone got. We took the five kinds of product ad prompt people paste most, ran each one once for 15 fictional brands in the image models behind ChatGPT, Gemini and a Midjourney-style keyword prompt, and marked all 75 results against the product photo: what came back right, what changed and what nobody asked for.

Updated · All prompts ran once on October 17, 2026, for fictional brands

In short

How do you write a product ad prompt?

Attach your real product photo and say what must not change: shape, colour, label. Then give the scene, every word of text in quotes, the price and rating exactly as your store shows them, and say no other text. In our 75 runs, outputs without a photo got the product wrong almost every time.

Results

What 75 runs showed

  • Without a photo, the product is a guess. Across the 45 runs with no photo attached, the product came back as the brand's own once (a plain oat tee, the easiest object on the list). The other 44 were redrawn or invented: square bottles for round ones, dark beans for a light roast, a fluted vase for a round one.

  • Spelling is mostly fixed, numbers are not. GPT-5.4 Image 2 spelled every word right in 15 of 15 runs. The other no-photo runs still produced "SSORA", "ROSEEQUILL", "BEGG" and "WATER REKOTANT", and wrong numbers on packs: 300 GSM for 260, 500 mg for 200, 100 g for 80 g.

  • Let a model write copy and it writes claims. Asked for benefits, or just left to fill a layout, the models added things the stores never say: non-toxic (twice), an eco-friendly pouch, made in USA, no artificial flavours, a natural process for a washed coffee. Asked for a before-and-after, one drew a face that doesn't exist and labelled it a 28-day result.

  • With the photo, the 2026 models mostly keep the product. GPT Image 2.5 kept 15 of 15 products, with every word right. Nano Banana Pro kept 11; the others it changed (both earrings in one ear, a second chocolate box with the price printed on it). That's the fair headline: with one product and an afternoon, attach the photo.

  • What no prompt does: know your store. Every price and rating in these images was right only because we typed it right. Each size is a new generation to check, and next week starts from zero.

PromptModelProduct keptChangedInventedOutputs with text errorsDetails nobody asked for
A: ChatGPT-style prompt, no photoGPT-5.4 Image 21 of 151130 of 1513
B: Gemini-style prompt, no photoNano Banana 2 (Gemini 3.1 Flash Image)0 of 151507 of 1526
C: Midjourney-style keyword prompt, no photoFLUX.2 Pro0 of 151506 of 153
D: ChatGPT-style prompt with the product photoGPT Image 2.515 of 15000 of 151
E: Gemini-style prompt with the product photoNano Banana Pro (Gemini 3 Pro Image)11 of 15401 of 151
15 runs per row, one per product. Product kept, changed or invented is judged against the brand's packshot; text errors are wrong, misspelled or garbled words and numbers; unasked details are claims or objects the brand never stated.

The same product, with and without its photo

Three of the 15: the brand's packshot, then prompt A (a description, no photo) and prompt D (the same request with the photo attached). Click through for all five runs and every mark.

  • Perfume ad prompts

    Orsolune · Fig Noir Eau de Parfum, 50 ml · fictional

    Orsolune's product photo: Fig Noir Eau de Parfum, 50 ml.
    The packshot
    AI output for the first prompt: a tall, square, smoky-glass perfume bottle with a faceted black cap, a gold collar and a black label reading Orsolune Fig Noir, among cut figs and a lime slice, with $88, a Shop now button and the notes in a footer.
    Prompt A, no photo. Made with GPT-5.4 Image 2 (OpenAI, through the OpenRouter API), October 17, 2026, for a fictional brand.
    AI output for the fourth prompt: Orsolune's round bottle with its cream label on dark stone between halved figs, fig leaves and an iris flower, under the headline Fig leaf, black fig, iris, with $88 and 4.8 stars from 486 reviews.
    Prompt D, photo attached. Made with GPT Image 2.5 (OpenAI, through Higgsfield), October 17, 2026, for a fictional brand.

  • Home decor ad prompts

    Hollowfern · Ripple Ceramic Vase, Large, Speckled Oat · fictional

    Hollowfern's product photo: Ripple Ceramic Vase, Large, Speckled Oat.
    The packshot
    AI output for the first prompt: a tall, wavy, fluted speckled vase holding pampas grass on an oak table in a bright living room, beside books whose spines include a real magazine's title, with Hollowfern Ripple Ceramic Vase, the size, $64, a Shop now button and three badges.
    Prompt A, no photo. Made with GPT-5.4 Image 2 (OpenAI, through the OpenRouter API), October 17, 2026, for a fictional brand.
    AI output for the fourth prompt: Hollowfern's round speckled vase with its soft throwing lines on a walnut console holding olive stems, under the headline Hand-thrown in Portugal. No two alike., with 10 in tall and $64.
    Prompt D, photo attached. Made with GPT Image 2.5 (OpenAI, through Higgsfield), October 17, 2026, for a fictional brand.

  • Coffee ad prompts

    Halden · Ethiopia Guji, Light Roast · fictional

    Halden's product photo: Ethiopia Guji, Light Roast.
    The packshot
    AI output for the first prompt: a kraft coffee bag with an illustrated landscape label and no valve beside a pour-over and dark beans in morning light, with Halden Ethiopia Guji, light roast, the tasting notes, roasted every Monday, $21, a Subscribe and save 15% button and a badge row.
    Prompt A, no photo. Made with GPT-5.4 Image 2 (OpenAI, through the OpenRouter API), October 17, 2026, for a fictional brand.
    AI output for the fourth prompt: Halden's plain kraft bag with its black valve and small line Single Origin, Ethiopia Guji, Light Roast, 340g on a marble counter beside a glass pour-over and a few beans, under the headline Jasmine, peach, honey., with Roasted every Monday and $21, Subscribe and save 15%.
    Prompt D, photo attached. Made with GPT Image 2.5 (OpenAI, through Higgsfield), October 17, 2026, for a fictional brand.

Beauty

Fashion and accessories

Home

Food and drink

Health and pets

Copy and paste

A prompt pack for any product

These four start from your real product photo. Fill the brackets with words from your own product page, attach the photo, and check every image at full size before you use it. Each product page has a pack written for that product.

  1. 01

    The product-first ad

    Any product, any channel. Start here.

    Use the attached photo of my product exactly as it is: same shape, colours, materials and label text. Do not redraw, restyle or re-letter the product. Place it on [SURFACE] with [ONE OR TWO PROPS THAT MATCH THE PRODUCT] in [LIGHT]. Add only this text: headline "[HEADLINE, from facts on my product page]", price "[PRICE]". Keep the top fifth clear for the headline. Portrait 4:5. No logos, badges or words other than these.
  2. 02

    The proof ad

    When reviews sell better than adjectives.

    Keep the attached product photo unchanged on the right half of a plain [COLOUR] background. On the left, set this customer review word for word: "[REVIEW TEXT]" and under it "[RATING] stars from [REVIEW COUNT] reviews". One typeface, no stars graphic, nothing else.
  3. 03

    The scene swap

    For a lifestyle frame around a product you already photographed.

    Use the attached product photo as the only product in the image and keep it pixel-close: shape, colour and label stay the same. Change only the setting to [SCENE]. If hands appear, show one natural hand with five fingers holding it at real size ([REAL SIZE, e.g. 10 in tall]). No text.
  4. 04

    The check-it follow-up

    After every image, before you download it.

    Compare the product in your image with the photo I attached. List every difference in shape, colour, logo and label text, letter by letter, and any words or numbers in the image that I did not give you. Then make a new version with those fixed and nothing else changed.

How we ran the test

Each prompt ran once on October 17, 2026, with no retries and no picking the best of several. Prompts A and B went through the OpenRouter API (GPT-5.4 Image 2 at about $0.18 an image, Nano Banana 2 at about $0.07), C, D and E through Higgsfield (FLUX.2 Pro, GPT Image 2.5 at medium quality, Nano Banana Pro). The ChatGPT and Gemini apps add their own instructions, so your results there will differ, and every run of the same prompt differs too.

The brands are fictional (25 of them run our sample pages). Their packshots were generated once for our sample library and are treated like real product photos from then on: D and E got that photo attached, and our engine places that exact file. The marks are ours, made by eye against the packshot and the brand's product page: product kept, changed or invented; wrong or garbled words and numbers; details nobody asked for.

No real brand appears in any prompt. Where a model put one in on its own (a real magazine's title on a coffee-table book, three times), the page says so.

These pages test the tools. For what to say in an ad, see the ad ideas pages; for where to run it and what to spend, how to advertise by product.

Questions about product ad prompts

How do I make a product prompt?

Write it in four parts: the photo and what must not change, the scene, the exact text in quotes, and the format (4:5 for feeds, 9:16 for Stories). The pack on this page is built that way. Leave adjectives out of the text part; they're where invented claims start.

Can ChatGPT generate ads?

Yes. OpenAI's help pages describe creating images from a prompt and editing an uploaded one. In our tests GPT-5.4 Image 2 made finished-looking ads with every word right but redrew the product, and GPT Image 2.5 kept the product when we attached the photo.

What is a good Gemini prompt for a product ad?

Upload your product photo, say "use this exact product" and describe only the scene and the text. Google's help page says Gemini edits uploaded images with Nano Banana 2. In our runs, check small print at full size and ask for text over the image, not a framed poster.

What is a good product photo prompt for Nano Banana?

One that changes the scene and nothing else: "Keep the product exactly as photographed; change only the background to [scene]; no text." Nano Banana Pro kept 11 of our 15 products this way. Where it slipped, it was in placement and extra objects, so read the whole image, not just the label.

Are AI product photography prompts good enough for ads?

For backgrounds and props, often yes. For the product itself, only when the tool starts from your photo, and even then it's a redrawn copy. An ad also needs a price, proof and the right sizes, which a photography prompt doesn't make.

What are some good captions for product ads?

Lines built on one fact the store can prove: the price, a number from the product page, a customer's own words, the rating. Each of the 15 product pages here has its own, and our ad ideas pages have six or more per product.

What is an example of a product advertisement?

A single image with the product, one reason to buy, the proof for it and a price: "Fermented 30 days. Heat 6/10. $12" next to the real bottle. Every product page here shows five AI tool attempts and three engine-made ads for the same product side by side.

Is there a free product ad prompt generator?

Several, and they write longer prompts, not better facts. What changed our results was attaching the photo and spelling out the text, which you can do with the four prompts on this page and no generator.

Will Meta label an ad made with AI?

It can. Meta says it uses industry signals such as C2PA metadata to spot ad content made or edited with outside generative AI tools and may show an AI info label. OpenAI says its images carry C2PA Content Credentials and a SynthID watermark.

Why do AI image tools change my product?

Without a photo they've never seen it, so they draw something that fits your words. With a photo they redraw what they see, so typefaces, small print and proportions drift. The only way to keep it exact is to place the original photo, which is what our engine does.

Or skip the prompts

Paste your store link and get 3 free ads of your own products: we read your products, prices and reviews, design around your real product photo and check every fact against your store.

Launching soon. Early access opens in small batches; we'll email you first.

Sources

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