Pacvue Puts ChatGPT Ads on the Retail Media Desk

Pacvue joined OpenAI’s ChatGPT ads program on May 5, 2026, and put the new channel on the same desk as Amazon and Walmart. Kepler, its first independent agency on the hookup, was already running live campaigns that day.

The May note read like another partner add. Four months later the same inventory is a billion-dollar buy, and Amazon Ads has opened a DSP seat of its own. Pacvue ChatGPT ads now sit inside retail media rules, which is the part that lasts.

Pacvue Folded ChatGPT Ads Into the Retail Media Desk

Pacvue, the Seattle commerce-media company founded in 2018, sells a single operating system for retail media. It says that system, as of 2025, powers 12% of global retail media ad spend and serves over 70,000 brands and agencies across more than 100 channels, including Amazon, Walmart, Target, and Instacart.

OpenAI, on the same May 5, opened a beta Ads Manager to US businesses, added cost-per-click bidding, and named Pacvue as a technology partner with Adobe, Criteo, Kargo, and StackAdapt. Partners handle budgeting, bidding, and creative. OpenAI’s ads system still decides every delivery.

Melissa Burdick, Pacvue’s president and co-founder, put the pitch in commerce terms, not chat terms. Brands, she said, need automation, control, and cross-channel attribution, not another native login.

Conversational AI is the most significant new channel since the rise of retail media, and brands need more than a native UI to compete. They need the automation, control, and cross-channel attribution that drive real performance at scale.

Melissa Burdick, President and Co-Founder, Pacvue, May 5, 2026 announcement

That is the product, not a slogan. Pacvue said advertisers can extend Budget Manager, Dayparting Scheduler, Ads Rules, and Commerce Rules to ChatGPT ads, the same layer already running the rest of their retail media. A chat campaign can be paused, capped, or shifted with the same logic that moves money between Amazon and Walmart.

THE THREE LAYERS PACVUE ADDED

• Attribution: ChatGPT ad exposure is tied to later commerce results through Amazon Attribution and Pacvue’s own measurement suite.
• One desk: Teams plan, launch, and compare ChatGPT next to retail media, social, search, and connected TV.
• AI reporting: Pacvue’s analytics rank conversational ads against the rest of the mix and suggest creative and targeting changes.

On June 23, 2026, Pacvue launched Prism and said it was expanding the ChatGPT hookup into a wider commerce grid with search, programmatic, social, and shoppable formats. The May partner badge was the on-ramp. Prism was the claim that chat belongs in the same grid as the rest of the spend.

Kepler’s Side Door Past the Holding Companies

OpenAI’s first agency path ran through Dentsu, Omnicom, Publicis, and WPP. Kepler took a different door. It bought ChatGPT through Pacvue instead of a holding-company seat, and it did so as a member of kyu, the strategic unit of Hakuhodo DY Holdings that also includes IDEO, Sid Lee, and SYPartners.

Kepler, founded in 2012, was named Pacvue’s inaugural independent agency partner and was already activating campaigns for over ten leading brands. Remy Stiles, Kepler’s global CEO, said those clients wanted to be early in a place where shoppers already research and decide.

Our clients jumped at the opportunity to be early movers on ChatGPT, gaining first hand experience in a new environment where so many shoppers are learning about brands and making buying decisions.

Remy Stiles, Global CEO, Kepler, May 5, 2026 announcement

Criteo had been first among ad-tech firms, on March 2, 2026, and by May 5 it said more than 1,000 brands were live through its API. Pacvue’s offer was narrower and more retail. Kepler’s brands could treat ChatGPT as another row in a commerce OS they already paid for, rather than as a separate AI media experiment.

In July, Pacvue, OpenAI, and Kepler walked through early work on a pet brand and a sports nutrition brand in a webinar. Pacvue did not publish those campaign figures. The public trail is the operating choice: the same agency desk, the same rules engine, a new surface.

How ChatGPT Ads Get Scored on Commerce Outcomes

Pacvue’s measurement claim is the load-bearing one. ChatGPT exposure is meant to show up as a commerce outcome, using Amazon Attribution plus Pacvue’s tools, not as a vanity click in a chat log.

That choice sets the referee. If a ChatGPT click is scored the way an Amazon or Walmart click is scored, the channel has to clear retail media hurdles. It does not get a separate “AI awareness” pass. Budget tools that already shift dollars toward the better ROAS line will treat chat as one more input.

OpenAI, for its part, launched a Conversions API and pixel-based measurement with the May 5 Ads Manager. Advertisers get aggregated stats on purchases, leads, sign-ups, and other actions, and they do not get the underlying chats. Pacvue still told buyers in July that Ads Manager Beta was sharing impressions and clicks, with more metrics on the way, and that static UTM tags on landing URLs were the practical way to stitch results until fuller attribution landed.

Brands on Pacvue are already testing those landings on Amazon, Walmart, Instacart, and their own direct sites. That is the tell. The click leaves a conversation and is asked to prove itself in a cart Pacvue already knows how to count.

Amazon Attribution inside Pacvue is not the same product as Amazon Ads’ later DSP deal. One is a measurement pipe on a third-party buy. The other is Amazon selling the chat surface itself. Both pull ChatGPT toward commerce math.

Most Test Budgets Start at $10,000 to $25,000

The early pilot was built for big checks. Advertisers faced listed CPMs of $60 at the February 9, 2026 US launch, and minimums that sat at $250,000 before falling to $50,000 as a quieter ads manager opened in April. By mid-April, some auctions were clearing as low as $25 CPM. May 5 added CPC and opened Ads Manager to US businesses, with a recommended starting bid of $3 to $5 per click.

Pacvue’s working advice is smaller and more retail in shape. Most brands, it said in July, are starting budgets of $10,000 to $25,000 a month, enough to baseline delivery, test creative, and learn context hints. Some advertisers are already spending hundreds of thousands. Pacvue told them to treat the budget as evergreen so the matching engine can learn, the way a new search account needs runway.

CPC on ChatGPT runs as a second-price auction. Bid $20 and the next bidder is at $10, and you pay just above that second bid, not your cap. CPM remains the reach objective. OpenAI has since added conversion-optimized buying, but the Pacvue July guide still framed the live choice as CPM for reach or CPC for clicks.

CHATGPT ADS BUYING PATHS IN 2026

Those paths do not replace each other. They stack. A brand can still buy native, or through Criteo, or through Pacvue, or, as of September, through Amazon’s demand-side platform. The Pacvue bet is that enterprise retail teams will not want four reports if one OS can sit on top.

A $1 Billion Run Rate in Under 200 Days

On August 31, 2026, OpenAI said ChatGPT Ads had reached a $1 billion in annualized revenue run rate in less than 200 days after launch. The company said tens of thousands of advertisers were on the platform, that ads were available in over 40 countries, and that its technology and measurement partner list had grown to more than 50. Self-serve access that day extended across India, Europe, the Middle East, and North Africa.

The mix of who pays has shifted with the scale. Sensor Tower found financial services rose from 2% to 13% of US ChatGPT ad spend between April and August 2026, and that four of the ten highest-spending US advertisers in August sat in that category. Software moved from 13% to 16%. Travel moved from 5% to 11%. On the mobile app in the United States, ads shown per user per hour rose 163% in August against April, at an average 26% month over month across that stretch.

CHATGPT ADS BY THE NUMBERS

• $1 billion ARR: OpenAI’s annualized ads run rate as of August 31, 2026, in under 200 days.
• 900 million weekly users: the ChatGPT audience Pacvue cited when it published its July playbook.
• 20% shopping intent: OpenAI’s figure, via Pacvue, for conversations that already carry a buy question.
• 53% and 28%: in Pacvue’s Funnel Rewired survey of 1,008 US consumers, 53% use AI tools to research products and 28% do that shopping research every day.

Pacvue’s July guide also said ads were then serving to users 18 and older on Free and Go plans in the US, Canada, Australia, New Zealand, the UK, Japan, and South Korea. That list is already out of date against OpenAI’s later 40-plus-country map. The buying layer Pacvue built on May 5 is now sitting under a much larger auction than the one Kepler walked into.

Amazon Ads Arrives With Its Own DSP Seat

On September 10, 2026, Amazon Ads announced a partnership to support advertising in ChatGPT. Select US advertisers are testing the surface as a way to extend existing Amazon Ads campaigns into the chat window. Delta Vacations is in that first group.

Chris Conetta, director of omnichannel supply at Amazon DSP, framed the buy as an extension of campaigns Amazon already runs across its own properties and the open internet, not as a science project.

With access to ChatGPT Ads, advertisers can now extend their campaigns further into where their customers are actively spending time in conversational chat platforms.

Chris Conetta, Director of Omnichannel Supply, Amazon DSP, September 10, 2026

Katrin Koenig, president of Delta Vacations, said the test is about when and how the brand appears while people plan travel inside ChatGPT. Amazon’s public note does not spell out how attribution will work on a surface it does not own. Pacvue, by contrast, had already named Amazon Attribution as the commerce link for ChatGPT buys running through its OS.

That is the squeeze on a company like Pacvue. In May it was the retail-media on-ramp for an independent agency that lacked a holding-company ticket. In September the largest retail-media seller began offering the same chat surface inside the DSP many of those brands already use. Kepler’s early work still has a head start on creative and context hints. The unique pipe is less unique.

OpenAI still sits in the middle of both routes. Partners and Amazon can budget and build. Delivery stays with OpenAI, matched to the current conversation, past chats, and prior ad interactions, and kept off health, mental health, politics, and anyone under 18. Plus, Pro, Business, Enterprise, and Education tiers still do not see ads.

Context Hints Still Run the Match

The ad unit itself is small and strict. It sits as a sponsored card below the model’s answer, labeled Sponsored, with a favicon, a headline, a short description, and a 1×1 image. OpenAI recommends about 16 characters for the headline and about 32 for the description. The card does not rewrite the answer. Users can open “About this ad” and see why it showed up.

There is no demographic or behavioral audience picker in the Pacvue July account of the product. Matching reads the ad copy, the landing page, and context hints, which live at campaign level and work like a brief. One clear objective per campaign beats five competing ones. Copy that answers the question matches better than a sale line. Images beat empty cards, and text inside that tiny square does not.

Landing pages can kill delivery before a bid matters. If OAI-SearchBot or ChatGPT-User is blocked in robots.txt, Pacvue says the ads will not serve. Zero impressions is often a crawl problem, not an auction problem. Brands that started too narrow on branded hints, Pacvue said, found more room by moving into broader, unbranded conversations.

Burdick’s second line from May still sits over that work. The brands that win, she said, will be the ones that learn the channel with rigor from the start. Kepler’s over ten brands have been doing that inside a retail-media OS since May. They now share the auction with whoever Amazon DSP lets in, and with the tens of thousands of advertisers OpenAI already counts on the native side.

The chat ad is already being sent to Amazon, Walmart, Instacart, and direct carts to see which one converts. That is a retail media test wearing a Sponsored badge.