Pacvue yesterday announced it has become a technology partner for ads in ChatGPT, allowing brands and agencies to launch and scale ad campaigns in ChatGPT through the same platform they already use to manage retail media. The announcement, dated May 5, 2026, and distributed via GlobeNewswire from Seattle, also names Kepler as Pacvue's inaugural independent agency partner in the integration - with Kepler already activating campaigns on behalf of more than ten brands.

The news lands as OpenAI's advertising pilot accelerates rapidly. As PPC Land reported on May 5, 2026, OpenAI simultaneously opened its self-serve Ads Manager to all US businesses, introducing cost-per-click bidding alongside the existing cost-per-mille model and listing Pacvue among its named technology partners alongside Adobe, Criteo, Kargo, and StackAdapt.

From retail media into conversational AI

Pacvue describes itself as an AI-Powered Commerce Media OS - a platform that, according to the company, currently powers approximately 12% of total retail media ad spend globally. The platform connects advertisers to more than 100 channels including Amazon, Walmart, Target, and Instacart. The ChatGPT integration extends that infrastructure into conversational AI, putting ChatGPT campaigns inside the same management environment brands already use for their retail media operations.

The operational logic is straightforward. Enterprise advertisers running dozens of campaigns across multiple retail media networks face a fragmentation problem when a new channel arrives. Without shared tooling, each new platform requires its own workflow, its own reporting cadence, and its own budget management process. By placing ChatGPT inside the same interface, Pacvue removes that incremental cost. According to the announcement, advertisers can now plan, launch, and manage ChatGPT campaigns alongside retail media, social, search, and connected TV from a single platform.

What Pacvue is specifically offering goes beyond simple campaign creation. The integration claims three distinct layers. The first is attribution and measurement: connecting ChatGPT ad exposure to downstream commerce outcomes using Amazon Attribution and Pacvue's own measurement tools. The second is unified cross-channel management: enabling holistic budget allocation and performance comparison across the full channel mix. The third is AI-powered insights and reporting: real-time analytics and AI-driven recommendations to understand how conversational AI ads perform relative to other channels.

The role of Kepler

Kepler, a global marketing services firm and member of the kyu strategic operating unit of Hakuhodo DY Holdings Inc., is the first independent agency to activate through Pacvue's integration. Founded in 2012, Kepler describes its model as combining media planning, marketing systems design, data-driven creative, and media in-housing for clients. The company's connection to Hakuhodo DY Holdings places it within a broader network that includes IDEO, Sid Lee, and SYPartners.

According to Remy Stiles, Global CEO of Kepler, "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." Kepler is activating campaigns for more than ten brands through the integration, making it one of the earliest agency operations running live ChatGPT ad campaigns through a third-party platform rather than directly through OpenAI or a holding company arrangement.

The selection of an independent agency - rather than one of the holding companies that signed on as OpenAI's initial partners - is a notable aspect of the announcement. Omnicom Media Group, WPP, and Dentsu were among the earliest holding companies to commit to the ChatGPT pilot when it formally launched on February 9, 2026. Kepler's entry through Pacvue represents a different pathway: independent agencies gaining access via a technology intermediary rather than through direct OpenAI relationships.

Context: the ChatGPT advertising market so far

To understand what Pacvue is entering, it helps to trace how quickly this market has developed. OpenAI confirmed advertising plans on January 16, 2026, ending months of internal uncertainty that had included a December 2, 2025 "code red" directive from CEO Sam Altman pausing advertising development entirely. The pilot formally launched on February 9, 2026 - initially for logged-in adult users on the Free and Go subscription tiers in the United States.

Criteo became the first formal ad tech partner on March 2, 2026, connecting approximately 17,000 advertiser clients to ChatGPT's inventory. That partnership gave OpenAI programmatic infrastructure it did not yet have internally. Internal data from a sample of 500 Criteo retailers in February 2026 found that users referred from LLM platforms like ChatGPT convert at approximately 1.5 times the rate of other referral channels - a preliminary but directionally significant finding.

The pilot crossed $100 million in annualized revenue within six weeks, according to PPC Land's March 26 coverage. At that point, more than 600 advertisers had joined the program. Roughly 85% of ChatGPT users were eligible to see ads, yet fewer than 20% encountered them on any given day - a deliberate restraint suggesting that the platform has significant inventory headroom before it needs to push frequency higher.

Pricing has also shifted. As PPC Land reported, CPMs dropped from $60 at launch to as low as $25 by mid-April 2026, while the minimum spend threshold fell from $250,000 at the pilot's inception to $50,000. The latest development - yesterday's open beta of the self-serve Ads Manager - introduced CPC bidding with a recommended starting bid of $3 to $5 per click, a significant shift toward accessibility.

Adthena's April 27, 2026 launch of ChatGPT AdBridge further illustrated the growing ecosystem: a free migration tool porting existing Google Ads campaigns into ChatGPT Ads in four steps. ChatGPT's ad format, as documented by Adthena after analyzing over 1,500 prompts, presents as branded cards embedded in the conversation flow with a "Sponsored" badge and brand favicon, visually separated from the AI-generated answer.

What the ad format looks like technically

ChatGPT ads sit at the bottom of responses when a relevant sponsored product or service matches the conversation topic. According to OpenAI's published policies, the system determines which ad to display by matching advertiser submissions with the subject of the current conversation, past chat history, and previous interactions with ads. Ads are clearly labeled as sponsored and visually separated from organic answers. They do not appear near sensitive or regulated topics including health, mental health, or politics. Users under 18 are excluded entirely. The Plus, Pro, Business, Enterprise, and Education subscription tiers do not see advertising.

Attribution has been a persistent structural challenge for the platform. ChatGPT historically lacked a pixel or standard attribution system. That gap has narrowed: OpenAI has since introduced a Conversions API and pixel-based measurement tools, which the May 5 Ads Manager launch confirmed are now part of the platform. Pacvue's integration layers its own measurement infrastructure on top of this, using Amazon Attribution to connect ChatGPT ad exposure to commerce outcomes.

The question of how ChatGPT's targeting works differently from search or social is worth examining. On conventional search, keyword-level bidding connects a specific query to a specific ad. On ChatGPT, targeting operates at what OpenAI calls "context hint" level - the ad group receives a contextual signal, and OpenAI's own system retains full control over delivery decisions. Pacvue's platform, as an intermediary, handles campaign budgeting and bid management within those constraints. According to the announcement, this means brands using Pacvue can apply the same budget allocation logic and automation rules they use across retail media, without needing to rebuild that logic from scratch in a native ChatGPT interface.

Why this matters to the retail media market

Pacvue's entry is significant not just because it adds another technology partner to OpenAI's growing list, but because of what it represents for the retail media sector specifically. Retail media has grown into a significant portion of digital advertising. A platform claiming 12% of global retail media ad spend carries real influence over how enterprise advertisers make channel decisions. When that platform adds a new channel, it signals to the brands using it that the channel has reached operational viability.

The Pacvue Agent launch in April 2026 had already signaled the company's direction - toward AI-powered workflow automation, with natural-language interaction, Amazon Marketing Cloud SQL query automation, and, notably, a disclosed plan for Model Context Protocol integration to connect commerce media data with external AI tools including ChatGPT. The ChatGPT partnership announced yesterday is, in that context, a logical next step rather than a pivot.

The Reddit Ads integration Pacvue announced in March 2026 followed a similar pattern: a new channel with strong but operationally isolated demand, brought into Pacvue's unified management environment for enterprise brands. ChatGPT follows the same playbook, but at a different scale and with a different measurement challenge - conversational context rather than community context, and a platform that is simultaneously one of the fastest-growing consumer applications in history.

Melissa Burdick, President and Co-Founder of Pacvue, framed the integration in terms of enterprise-grade performance infrastructure: "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." In a second statement, Burdick added: "The brands that win in conversational AI advertising will be the ones that invest in learning it with rigor from the start."

Pacvue was founded in 2018 and maintains offices in Seattle, Los Angeles, Chicago, New York, Washington D.C., London, Shanghai, and Tokyo. The company's platform, as of 2025, serves over 70,000 brands and agencies. It also operates Helium 10, targeting smaller and medium-sized businesses - a separate product line from the enterprise suite used by agencies like Kepler.

The broader ecosystem context matters too. Meta opened its ad system to Claude and ChatGPT via MCP connectors on April 29, 2026, allowing AI agents to manage campaigns, catalogs, and ad signals directly. Pacvue's role in the ChatGPT ad ecosystem mirrors a different type of integration: rather than AI agents managing existing ad platforms, it is an existing ad management platform absorbing a new AI-native channel. Both trends reflect the same underlying shift - advertising infrastructure and AI platforms are interoperating at an accelerating pace.

Timeline

Summary

Who: Pacvue, a Seattle-based commerce media platform founded in 2018 and operating in 100+ retail media channels, and Kepler, a global independent marketing services firm and member of the kyu unit of Hakuhodo DY Holdings Inc., in partnership with OpenAI.

What: Pacvue announced it has become a technology partner for ads in ChatGPT, enabling brands and agencies to manage ChatGPT ad campaigns through Pacvue's existing commerce media platform. The integration includes attribution via Amazon Attribution and Pacvue's measurement suite, unified cross-channel campaign management, and AI-powered reporting. Kepler is named as Pacvue's inaugural independent agency partner, running campaigns for more than ten brands.

When: The announcement was published on May 5, 2026, via GlobeNewswire from Seattle. Kepler's campaigns for brands are already active at the time of the announcement.

Where: The integration operates within Pacvue's Commerce Media OS, which spans more than 100 retail media networks globally. Pacvue is headquartered in Seattle. The ChatGPT advertising pilot is currently live for Free and Go tier users in the United States, with international expansion to Canada, Australia, and New Zealand already announced.

Why: Enterprise advertisers face operational fragmentation as new channels emerge outside their existing media stacks. Pacvue's integration brings ChatGPT campaigns into the same managed environment brands already use for Amazon, Walmart, Target, Instacart, and other retail media, reducing manual workflows and enabling cross-channel attribution. For Kepler, the integration provides access to an early-stage channel with high consumer intent, at a moment when OpenAI's advertising infrastructure - including a self-serve Ads Manager, CPC bidding, and pixel-based attribution - has just become broadly accessible to US advertisers.

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