OpenAI Opens the Door to MadTech: Criteo and the End of Ad-Free Answers in ChatGPT

Criteo has become OpenAI’s first technology partner for inserting ads into ChatGPT. Here’s what this alliance means for programmatic advertising in 2026.

Content

This article has been provided by Portada’s sister publication Adtech.com

The era of artificial intelligence free from commercial messaging has come to an end. What began as a clean generative experiment is rapidly evolving into the most coveted digital inventory in the MadTech industry. As reported by Dircomfidencial and PPC Land, OpenAI has taken a decisive step toward large-scale monetization by integrating Criteo as its first advertising technology partner to test ads in ChatGPT. This is not just a trial format; it is definitive proof that programmatic advertising has reached the last frontier of user attention in 2026.

Ads in ChatGPT: How Criteo Is Rewriting the Rules

Until now, the debate around advertising within generative tools had been largely theoretical. With this strategic partnership, Criteo instantly connects its massive network of more than 17,000 advertisers to the OpenAI ecosystem. By focusing on the free tiers (Free and Go) in the U.S. market starting in March 2026, we are witnessing a tectonic shift in how advertising budgets are distributed.

This is no longer about static, generic banners sitting on the margins of a screen. Instead, it points toward direct contextual integration within the flow of a highly personalized conversation.

A Direct Threat to Traditional Search Engines

With this move—introducing ads in ChatGPT—Sam Altman’s company is taking direct aim at the search-intent business model long dominated by traditional Big Tech platforms. For advertisers, the promise is powerful: why pay to appear in a fragmented list of links when your brand could become the single native recommendation inside an AI-generated answer?

This level of precision redefines the full funnel, bringing user curiosity closer than ever to the point of conversion—with virtually no friction in between.

How Generative AI Will Reshape Media Buying

For marketing leaders and agencies, the direction of travel is clear: media buying is becoming dependent on conversational intent. Criteo’s infrastructure could enable brands to combine first-party data with user prompts, ensuring messages are perceived not as ads but as useful solutions.

The challenge, however, will be maintaining brand safety in a dynamic environment. The advertising integration between Criteo and OpenAI may well set the commercial standard for the next decade. Agencies that continue allocating budgets exclusively to traditional formats risk ignoring where consumer attention is actually moving.

Image by kjpargeter on Freepik

This article has been provided by Portada’s sister publication Adtech.com

Related content: Reddit Seeks to Acquire Adtech to Monetize First-Party Data

Get our e-letters packed with news and intelligence!

Popular Now

Boost Your Sales

Who is Moving Now

The Latest