The UK move is part of a broader plan to roll out ads to Japan, South Korea, Brazil, and Mexico soon, with the UK as the first concrete international activation.

OpenAI has launched a live ChatGPT advertising pilot in the United Kingdom, marking the platform’s first non-North American ads activation.

This rollout follows a rapid series of product and policy updates from late 2025 into mid-2026, culminating in the UK activation on June 6, 2026.

As the pilot scales, OpenAI is tracking trust metrics, dismissal rates, and ad relevance, building on US results that showed no drop in trust, low dismissal, and improving relevance.

A growing ecosystem of ad tech partners and measurement tools supports the UK launch, with plans to expand geographically and feature set.

The UK rollout faces regulatory and measurement considerations unique to the market, including data privacy norms and scrutiny from the Advertising Standards Authority, to test if US benchmarks transfer.

The UK launch comes as the US pilot accelerates commercially, hitting over $100 million in annualized revenue within six weeks and shifting toward a self-serve Ads Manager with CPC bidding and broader targeting.

The ad policy rests on five principles: mission alignment, answer independence, conversation privacy, long-term value, and user choice, with ads clearly separated and labeled.

Ads are shown only to users on Free and Go tiers; Plus, Pro, and Enterprise subscribers will remain ad-free in line with OpenAI’s paid, ad-free option.