Generated Video in Asset Studio: What Veo and Gemini Omni Produce, and How to Review It

What Google's video generation actually produces

Google's March 2026 Veo announcement describes turning up to three source images into clips of up to ten seconds each, then assembling them with templates. Its later Gemini Omni announcement adds a brief-led workflow: import brand references, generate scenes, refine them through prompts and export landscape or vertical variations. Google says Omni is rolling out globally; check the options in your account.

The choice is about what you have to work with. Strong product photography gives an image-led workflow a concrete starting point. A brief-led workflow gives more room to explore a concept, but also more places for the result to depart from the real product. Neither makes a simple product immune to errors.

Video Builder remains useful when a sequence of real stills, text and music is enough. The separate voice-over tool lets you add a script rather than leave the narration to an automatic enhancement. You do not need a fully generated scene just because one is available.

What to look at in a generated clip

Watch it at the size and speed it will run, with sound, twice: once as a viewer and once as the person who knows the product. Do this for every clip, including the simple ones.

A hypothetical: a cookware brand gives Veo three photos of a cast-iron pan and gets a handsome ten-second sizzle. Frame by frame, the handle changes from a loop to a straight helper handle at second seven. Nobody notices at speed; a buyer who ordered on the strength of the loop would. Regenerating from photos that show the handle from two more angles may hold and may not; if it does not, the clip is not usable, and real footage or a simple edit built from the actual photos is the alternative.

• The product in motion. Generated motion can bend a rigid product, shift a colour between frames or add a reflection that reads as a defect. Freeze the clip at three points and compare each frame to the product photo.
• Invented detail. Ports, buttons, seams, stitching and pack contents that were not visible in the source images are guesses, and details that were visible can still drift.
• On-screen text. Generated text is unreliable letter by letter. Prefer the template's text layer for offers and names, and read every word the model rendered inside the scene.
• Audio. If you add voice-over from Asset Studio's tool, the script is yours: prices, warranties and comparatives are claims. Listen to the whole track.
• The claim and the landing page. Whatever the clip implies the product does, the page it links to has to say the same.
• People and marks. Check faces, background figures and logos rather than assuming generation filters settled permission or likeness concerns.

Publishing, the label, and where the clip has to live

Confirm the publishing destination before you build the workflow around a generated clip. Video Builder uses a linked YouTube Brand Account channel, with an eligible publishing role. Other automated paths can use Google-managed channels. Know which channel holds your ad and who can maintain it; a downloaded draft and an available advertising asset are not the same thing.

Generated-media watermarking is not the same as the advertiser's AI disclosure. The product-image guide explains Google's label guidance and its limits.

Keep the source photos, brief and the approved version somewhere your team can find them. That is useful when a product changes or a later edit needs to preserve the part that already worked.

Reading the first results

Give a promising generated clip a defined comparison with existing creative. Google's Demand Gen guidance favours adding new assets before removing existing ones, rather than replacing the whole set at once. Asset-level results help you see which versions receive delivery; they do not isolate the causal effect of generation.

A Low label is a reason to investigate, not a verdict on the tool. A different crop, opening shot or message can change the result. Use an eligible experiment when you need to compare alternatives, and leave an inconclusive result inconclusive. If volume is limited, describe what the account observed and what else changed instead of claiming a lift the data cannot establish.

Keep, regenerate, or drop

Keep a clip when its product, text, audio and claim are accurate, it is ready for the intended publishing path, and the necessary disclosures are handled. Regenerate when a specific reference or brief change could plausibly solve the problem. Use real footage or a straightforward still-image edit when the generator cannot preserve the details. Correctness gets a clip considered; the campaign results decide whether it earns continued use.