Key Takeaway: OpenAI and United Kingdom advertisers now have a direct path to run ChatGPT advertising via a self-serve Ads Manager.
Why it matters: Brands can use CPC bidding and conversion tracking to optimise spend, measure outcomes, and reach conversational audiences where they are.
OpenAI Brings Self-Serve Ads to ChatGPT
The announcement, covered by Search Engine Journal's report on OpenAI's Ads Manager, confirms advertisers can now independently manage ChatGPT campaigns with CPC bidding and conversion tracking.
Source: Search Engine Journal, 2026
OpenAI's move expands ad inventory on conversational AI and gives marketers direct controls previously limited to a few partners. The new Ads Manager links performance signals from ChatGPT sessions back to advertiser KPIs.
Angus Gow, Co-founder at Anjin, suggests the change turns ChatGPT from a discovery surface into a measurable channel. He sees immediate utility for mid-market and enterprise advertisers seeking attribution in AI-driven conversations.
“This places measurable intent inside conversational touchpoints, making it far easier to test creative and attribute conversions.”
— Angus Gow, Co-founder, Anjin (quoted on the implications of OpenAI's Ads Manager)
Source: Angus Gow, Anjin, 2026
The £B opportunity most advertisers miss
Many brands treat ChatGPT as a novelty. That misses two realities: conversational queries are growing and advertisers can now bid per click and track conversions. In United Kingdom, OpenAI opens a pathway for ad spend that mixes search intent with conversational context.
Digital ad spend in the UK remained robust in 2025, with online channels taking the lion's share of budgets, showing that investing in new digital placements can scale reach and conversions. See the Advertising Association/WARC adspend overview for the data and trends.
Source: Advertising Association/WARC, 2025
Regulation matters. The Information Commissioner's Office (ICO) is the UK regulator most likely to influence how advertisers use personal data inside AI systems. Marketers must map tracking and consent flows to ICO guidance to avoid compliance risk.
Source: Information Commissioner's Office, 2025
This moment is especially relevant to performance marketers and ecommerce teams. The audience segment of advertisers and digital agencies can convert early testing into scaled revenue if they move now.
Your 5-step launch roadmap for ChatGPT ads
- Define a conversion metric and set a 30-day CPA target for OpenAI CPC bidding (measure weekly).
- Segment high-intent prompts and run a 14-day creative A/B test inside ChatGPT Ads Manager (aim for 95% significance).
- Instrument server-side conversion tracking and validate events within 7 days (confirm with sample users).
- Allocate 20% of paid search budgets to conversational inventory for a 60-day observation window.
- Analyse ROAS and scale winning prompts by 3x over 90 days while iterating messaging per cohort.
How Anjin's AI agents for marketing delivers results
Start with Anjin's AI agents for marketing as the automation backbone for creative testing and measurement. Anjin's AI agents for marketing automates prompt generation, creative variants and campaign telemetry.
In a typical scenario, a UK ecommerce brand uses the AI agent to create 40 creative variants, then feeds winners into OpenAI's Ads Manager for CPC bidding. Projected uplift: 18–30% higher conversion rate and 25% lower CPA within 90 days, based on comparable conversational pilot work.
Source: Anjin internal projections, 2026
We link the agent into measurement stacks and compliance checks. Use the team to map tracking to ICO guidance and tie advertiser consent flows to event signals. For onboarding timelines and pricing, explore our tailored options via the Anjin pricing plans page.
See how the AI agents for marketing automate creative testing and review Anjin pricing plans for pilot and scaling scenarios.
Source: Anjin commercial materials, 2026
Expert Insight: Angus Gow, Co-founder of Anjin, observes that combining prompt-level creative testing with CPC bidding accelerates learning and compresses time-to-ROI.
Source: Angus Gow, Anjin, 2026
Claim a measurable advantage now
OpenAI and United Kingdom advertisers must prioritise measured pilots. Deploy the Ads Manager with clear CPA goals and compliant tracking, then scale winners fast.
A few thoughts
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How do UK retailers use OpenAI to increase conversions?
UK retailers create targeted prompt funnels inside ChatGPT, use OpenAI CPC bidding to drive trial traffic, and track purchases via server-side conversion events.
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Can advertising technology measure ROI in conversational interfaces?
Yes—CPC bidding and conversion tracking in OpenAI's Ads Manager enable direct ROI measurement for conversational ads in the United Kingdom.
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What compliance checks should marketers run before scaling?
Map consent to event signals, audit data flows against ICO guidance, and keep records of processing decisions in case of review.
Prompt to test: "Create a 30-day OpenAI Ads Manager pilot plan for a United Kingdom ecommerce brand using Anjin's AI agents for marketing, targeting a 20% reduction in CPA while ensuring ICO-compliant tracking."
Ready to pilot? Speak to our team for a structured launch that can cut onboarding time by 40% and deliver measurable uplift. Contact our growth specialists to scope a pilot and map pricing to outcomes on the bespoke onboarding page.
Contact Anjin's growth team to scope a ChatGPT ads pilot
OpenAI's Ads Manager shifts conversational AI from exploration to accountable media buy for the United Kingdom.
