CampaignReel

Ad placement specs against what generators output

Planning against a page with no choices

Some pages publish one resolution, one frame rate and one length. There is no tier to buy up to, no cheaper rung to draft on and no combination to get wrong. The plan becomes simple in both the good and the bad sense. As of 2026-09-12.

A lever removed and a risk removedOne size, one rate and one length mean nothing drifts between requests and nothing can be traded for anything. Exploration then costs what delivery costs.GainedLostThe tier decisionNothing to argue aboutNo cheaper rung to draft onUpload checksAnswered once for everythingNothing to trade for headroomPiece countExact, with no remainderAnd no way to absorb an awkward beatUsually the shape of a research release rather than a product
Fig. 1 Tiers exist to be charged for, so pages with no rate card behind them tend to have no tiers either.
What a fixed format removes. Recorded 2026-09-12.
What is removedGood or badConsequence
The tier decisionGoodNothing to argue about in the brief
The cheap draftBadExploration costs what delivery costs
Per-tier upload checksGoodOne answer for the whole campaign
Any headroomBadNothing can be traded for anything

Inclusion rule. Consequences of a page publishing single values rather than ladders. The judgement column is an assessment rather than a vendor statement. Order. Alternating, as each consequence follows from the one before.

1Exactness is genuinely valuable at the planning stage

A fixed length divides a slot with no remainder, so the piece count is known exactly rather than estimated. A fixed size and rate mean a delivery check is answered once and inherited by every variant.

For a campaign of many small pieces that consistency is worth something real. Nothing drifts between requests and no piece needs its own measurement.

2The missing draft tier is the cost

On a ladder, forty attempts happen at the bottom and one delivery at the top. On a fixed format all forty-one are the same price, and the exploration budget has to come out of something else, usually the number of attempts.

That pushes the work towards getting the prompt right first and iterating less, which is a different discipline from iterating cheaply and choosing late.

3Fixed formats are usually research releases

Tiers exist to be charged for. Where nothing is charged, there is no reason to build them, and the page describes what the released model does rather than what a product offers.

That also means the figures are not a product promise. A hosted service running the same weights will publish its own page with its own parameters, and it is that page a buyer is held to.

A craft note, not a spec. Nothing here is taken from a platform or a vendor, and nothing here should be quoted as a requirement. The sourced material is on published limits. Related: Billing and iteration, Where cuts get placed.

4Making the ad itself

For ad work around “A fixed format”, SceneMixer's pages explain how its ad projects are produced:

The spoken lines and the end card follow your interface language across fifteen dialogue languages, with the cast and setting adapted to that market. The end card falls back to a language it can typeset when a script needs shaping or right-to-left layout.

SceneMixer, AI Ad Video Generator — “Which languages can the ad be in?” (read 2026-10-13)

The final cut ends on an end card: your main image plus four lines — Brand, Product name, Tagline, Call to action. The first two are read from your photo and your brief; the tagline and call to action are written with the script.

SceneMixer, The End Card (read 2026-10-13)