On April 2, 2026, MediaPost reported that Criteo GO, the retail-media and adtech platform operated by Criteo, is using generative AI to scale a wider advertising base and allocate budgets across it.

That single sentence is, at this stage, the whole story. Here is what it establishes, and what it doesn't.

What does the announcement actually cover?

Two things, per the report:

• Scaling a wider ad base. Criteo GO aims to expand the number of advertisers or ad placements it can serve, using generative AI (AI models that create content, such as ad copy or creative variants) to reach inventory that previously required manual work.
• Budget allocation. The same AI layer will decide how advertising money gets distributed across that wider base, rather than leaving those calls to human media buyers.

No pricing figures, customer names, or performance numbers appear in the source material available to us. We won't invent any.

Who is this for, and why now?

Criteo's core business has long been performance advertising — retargeting shoppers with product ads based on their browsing behavior. The retail-media arm, where Criteo GO sits, has grown as retailers sell ad space on their own e-commerce sites and marketplaces.

Scaling that business with people is expensive. Every new advertiser, category, or placement traditionally needs campaign setup, creative production, and someone watching the spend. Generative AI compresses that workflow: it can generate the creative and, in this case, also make the budget calls.

The appeal for Criteo's clients is straightforward. More advertisers on the platform means more demand for retail-media inventory, and automated budget allocation means small advertisers without dedicated trading desks can still participate.

What we still don't know

The April 2 report gives the direction but not the detail. Absent from the available material:

• Which advertisers or retailers are using the AI features today
• What the tooling costs, or how Criteo prices it
• Any measured lift in reach, spend, or return on ad spend (ROAS, the revenue generated per dollar of ad spend)
• Availability dates or rollout stages

Criteo has a track record of announcing AI capabilities at a cadence that outpaces published third-party measurement of them. Operators evaluating Criteo GO should ask for concrete ROAS baselines and pricing before treating "generative AI" as a reason to switch platforms.

The takeaway: Criteo GO says generative AI will widen its ad base and automate budget allocation; the numbers that would prove it are not yet on the table.