OpenAI étend les publicités ChatGPT à 31 marchés européens

OpenAI étend son activité publicitaire à 31 pays européens la semaine prochaine, la plus grande expansion géographique des publicités ChatGPT depuis que l’entreprise a commencé à tester des placements sponsorisés il y a six mois. Le déploiement, annoncé le 18 août 2026, prolonge une source de revenus qu’OpenAI développe depuis février, passant d’un projet pilote aux États‑Unis à une plateforme que la société affirme avoir déjà desservi des dizaines de milliers de marketeurs.

Les nouveaux marchés comprennent l’Allemagne, la France, l’Espagne, l’Italie, la Suède, la Norvège, le Danemark, les Pays‑Bas et l’Autriche, selon l’annonce d’OpenAI. Les annonceurs achèteront d’abord via l’équipe OpenAI Ads Solutions, des partenaires agences et des partenaires technologiques, l’accès en libre-service via l’outil Ads Manager de la société étant prévu plus tard cet été.

Ads will be shown only to users on the Free and Go plans. Plus, Pro, and Enterprise subscriptions remain ad-free, preserving the tiered structure OpenAI set when it first outlined the business: advertising subsidizes the unpaid and low-cost tiers, while paying subscribers buy their way out of it.

Six months from pilot to platform

The European launch is the fourth expansion of a test that began in the United States on 9 février 2026, when OpenAI started showing clearly labeled sponsored placements at the bottom of answers for logged-in adult users on the Free and Go tiers. The company had telegraphed the move a month earlier, on 16 janvier 2026, when it published its advertising principles alongside the global launch of ChatGPT Go, its $8-per-month subscription tier.

From there the rollout followed a deliberate sequence. On 26 mars 2026, OpenAI announced it would expand beyond the U.S. in the coming weeks, starting with pilots in Canada, Australia, and New Zealand, after reporting no impact on consumer trust metrics and low ad dismissal rates. The United Kingdom, Mexico, Brazil, Japan, and South Korea followed, with OpenAI confirming those launches in an 11 août 2026 update to its original pilot post. The 31 European markets bring the total footprint to 40 countries in just over six months.

The commercial machinery has been built at the same pace. OpenAI says the platform has moved beyond the cost-per-thousand-impressions and cost-per-click bidding it launched with to support conversion optimization, letting advertisers bid toward business outcomes rather than clicks. It has added geo-targeting and custom audiences, and extended measurement past clicks through the OpenAI Pixel, a Conversions API, and third-party measurement integrations.

How the Ads Work

The mechanics OpenAI has disclosed describe a matching system closer to search advertising than to social feeds. Ads are matched to the topic of a user’s current conversation, past chats, and past interactions with ads. Someone researching recipes might see placements for meal kits or grocery delivery; where multiple advertisers match, the system shows the one judged most relevant to the chat first.

Advertisers never see the conversations. OpenAI says advertisers receive only aggregate performance data such as views and clicks, that conversations are kept private from advertisers, and that customer data is not sold. Ads are labeled as sponsored and visually separated from the organic answer, and the company states that advertising does not influence what ChatGPT answers. Users can dismiss ads, see why they were shown one, delete their ad data, and turn off personalization.

During the pilot, ads were withheld from accounts where the user states or is predicted to be under 18, and from sensitive or regulated topics including health, mental health, and politics. Whether those restrictions carry over unchanged into the European markets, where the EU’s data protection and digital advertising rules are stricter than anything the pilot has operated under, is not addressed in the announcement.

What OpenAI Is Not Saying

The announcement carries no revenue figures, no pricing for European inventory, and no breakdown of how the tens of thousands of marketers it cites are distributed across markets or spend levels. OpenAI is a private company, and nothing it has published about the ads business has been audited; adoption counts and platform milestones come from the company itself.

The economics of the expansion nonetheless rest on a disclosed structure. ChatGPT Go, the tier that carries ads alongside the free product, sells for $8 per month in the United States, with localized pricing in some markets, against $20 per month for Plus and $200 per month for Pro, per OpenAI’s plan announcement. Every free-tier and Go user in the 31 new markets becomes ad inventory next week; every Plus, Pro, and Enterprise subscriber does not. The ads business grows exactly as far as the unpaid and low-cost base OpenAI has spent a year building, and the company frames the relationship as direct: ads fund the free and cheap tiers, which feed the audience advertisers pay to reach.