Observed Signal · May 6, 2026 · Pilot Program · Source: https://martechseries.com/feed/ · Impact: 3/5 · Sentiment: Positive
StackAdapt Enables Ads in ChatGPT Pilot
StackAdapt announced that it is offering advertisers access to ads in ChatGPT as part of an early pilot with OpenAI. Acting as a technology partner, StackAdapt will enable brands to test and learn in conversational environments where ads are clearly labeled, separated from model responses, and shown based on the context of a user’s conversation. The company says the capability lets advertisers reach people during active exploration and decision-making, extend programmatic strategies into AI-driven research flows, and apply cross-channel learnings. StackAdapt highlighted its bespoke activation approach — including vertical specialization, cross-channel orchestration across CTV/display/native/performance, managed services, and brand-safety controls — and quoted Yang Han, Co-Founder and CTO, on helping advertisers participate in conversational touchpoints.
Introduces a new conversational ad channel in ChatGPT and gives advertisers an early opportunity to test context-driven, programmatic-style ads — relevant to adtech strategies and measurement as conversational AI becomes a discovery touchpoint.
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Key Takeaways & Evidence Grounding
- StackAdapt is offering advertisers access to ads in ChatGPT through an early pilot.
- StackAdapt is a technology partner enabling advertisers to test and provide feedback on ads in ChatGPT.
- Ads in ChatGPT are clearly labeled, separated from model responses, and targeted based on conversational context.
- StackAdapt’s approach includes vertical specialization, cross-channel orchestration (CTV, display, native, performance), managed services, and brand safety controls.
- Yang Han, Co-Founder and CTO at StackAdapt, is quoted describing conversational AI as a new customer touchpoint.
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StackAdapt Pilots Ads Inside ChatGPT
A leaked StackAdapt pitch deck reveals the independent demand-side platform is courting advertisers to participate in a limited pilot that would serve ads inside ChatGPT. The deck, titled “OpenAI x StackAdapt Limited Pilot Program,” was shared with select buyers on March 27 and reviewed by ADWEEK. StackAdapt frames the initiative as early access to a new “discovery layer” on ChatGPT, positioning the placement to capture users in the research and comparison phase. The company is offering promotional economics to early testers, including CPMs advertised as low as $15 plus discounted platform and management fees. The material presents the offering as an early-stage test inside a developing ad system and references a partnership with OpenAI to enable advertising within ChatGPT.
StackAdapt Gains Access to ChatGPT Ad Inventory
Adtech platform Stackadapt has gained access to advertising inventory inside OpenAI's ChatGPT by becoming an official technology partner, enabling advertisers and agencies to buy placements programmatically. Stackadapt says ads will be shown separately from the AI's answers and served based on the conversation context to reach users during research and decision-making moments. The move expands programmatic inventory into conversational AI environments. Stackadapt highlights sector expertise in retail, e‑commerce, finance, travel and B2B, and emphasizes brand‑safety mechanisms, contextual targeting and AI‑based optimization. Yang Han, Co‑Founder and CTO at Stackadapt, is quoted describing conversational AI as a rapidly developing new touchpoint in the customer journey.
Ad tech lines up behind OpenAI ChatGPT ads
Ad tech vendors are broadly embracing OpenAI’s ad opportunity as ChatGPT becomes a new advertising channel rather than a rival. StackAdapt opened its ChatGPT ad product to all ~1,000 of its advertisers after a closed beta, mirroring OpenAI’s removal of spend thresholds in its ads manager. Criteo says more than 1,000 brands are live on ChatGPT via its platform with conversion rates roughly 1.5x other referral channels. Measurement and trust companies such as DoubleVerify are positioning themselves as necessary verification layers while OpenAI has announced third‑party measurement partnerships are forthcoming. Industry leaders and consultants warn the short-term partnerships are likely a bridge to a longer-term walled‑garden model, noting hires from ad tech (e.g., Samantha Jacobson) signal OpenAI’s intent to build direct demand capabilities.
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