Coca-Cola has launched a new holiday campaign built with AI, and the debate over generative tools in mainstream brand advertising is burning again. The company's decision to return to AI-produced work for the festive season has drawn fresh criticism and fresh praise in roughly equal measure, according to coverage by Campaign US.

This is not the first time the beverage giant has put machine-generated content in front of a mass audience. Coca-Cola's earlier AI holiday spot made it one of the most-discussed advertisers of the season, and the new campaign puts the company back at the center of the same argument: does generative AI belong in flagship brand advertising, or does it cheapen the product?

What do we actually know?

The confirmed facts are limited but clear. Campaign US reports that Coca-Cola has released a new holiday campaign, that the campaign uses AI, and that the release has reignited a public debate over AI in advertising. The report does not yet specify the tools used, the agencies involved, or the production budget.

That gap matters. In trade-press terms, an AI campaign story without a tool list and a cost figure is half a story. Until Coca-Cola or its agency partners disclose which models produced the assets, how much human direction shaped them, and what the production cost against a conventional shoot, buyers and rivals are arguing over a black box.

Why does one campaign restart the argument?

Because Coca-Cola is the industry's highest-visibility test case. When the world's largest beverage advertiser uses AI for a flagship seasonal campaign, every brand manager watching has to answer the same internal question: if they can do it, can we — and should we?

The reaction pattern is familiar by now:

• Critics argue AI-generated ads feel generic and undermine the craft budgets that sustain production companies, post houses, and creative agencies.
• Supporters point to production speed and cost control at a scale traditional shoots struggle to match.
• Agencies are caught between clients asking for AI efficiencies and creative teams wary of the output quality.

None of these positions is new. What is new is that Coca-Cola has now run the experiment more than once, in public, during the most competitive advertising window of the year.

What is still unknown?

The unanswered questions are the ones operators will ask first:

• Which AI models or platforms produced the campaign assets?
• Did Coca-Cola produce the work in-house, through its agency roster, or both?
• What did the campaign cost relative to a traditionally produced holiday spot?
• How will audience response be measured, and will Coca-Cola publish results?

None of these details appears in the initial report. Mart Signal will update this story as Coca-Cola, its agencies, or its technology partners disclose them.

Who does this affect?

Every participant in the ad-production chain. Brand owners see a large advertiser normalizing AI at flagship scale. Production companies and post-production vendors see budget pressure spelled out in a single press cycle. Marketing-technology vendors see the highest-profile reference account an AI ad tool could ask for.

The holiday season is the industry's peak spend window, and Coca-Cola has effectively made AI-in-advertising a live procurement question for every brand finalizing seasonal budgets.

The bottom line for buyers: watch what Coca-Cola discloses next. If the company publishes production-cost comparisons or performance data, the AI ad debate moves from opinion to arithmetic. Until then, the argument runs on aesthetics, and aesthetics do not close deals.