RenderDrama

What a second of AI video costs, channel by channel

SceneMixer on keeping a cast consistent

SceneMixer holds the single five for cast consistency. A five needs a named, reusable store of character references that the tool applies without being asked each time, which is a documentation standard rather than a measurement of how stable the faces are. As of 2026-09-12.

The shape of the column that decides serial workOne row reaches five, four reach four, seven sit at three, three at two and one at one. The crowded value is three, which means consistency is asserted and the mechanism is not described. The gap between three and five is the gap between a claim and something a colleague can be handed.Highest at the topFive: one rowA named, reusable store of references applied without beingasked each time.Four: four rowsA reusable reference described, attached by hand rather thanapplied automatically.Three: seven rowsConsistency asserted, mechanism not described. The most crowdedvalue on the rubric.Two and one: four rowsLittle or nothing published. One of them is an editing productwhere the question barely applies.Over a season, automatic and manual is the difference between a pipeline and a discipline
Fig. 1 Every other criterion affects how good an episode looks. This one affects whether sixty episodes can be the same story.
The rule this column is scored under, and where SceneMixer lands in it. Recorded 2026-09-12.
PointAs the rubric has it, or as the table records it
The question this column asksCan the same character be kept across separate generations?
What this tool rates5 of 5
Tools holding the same valueOne of the sixteen rated here
What a five looks likeA named, reusable store of character references applied automatically
What sits at the bottom of the scaleNo mechanism described anywhere on the vendor pages
Tools left unrated on this columnNone of the sixteen

Inclusion rule. The rubric's own wording for this criterion, with this tool's value beside it. Nothing here is taken from a demo, a benchmark or a review. Order. The question first, then the value, then the rule it was given under.

1The whole column, with this row marked

Cast consistency, tool by toolOne criterion across every rated tool, SceneMixer marked. The shape of this column is the reason this cell has a page: values held by at most two tools are the ones worth writing about. Recorded 2026-09-12.Cast consistency, tool by toolSceneMixer5 of 55 of 5Hailuo (MiniMax)4 of 54 of 5Kling AI4 of 54 of 5LTX Studio4 of 54 of 5Vidu4 of 54 of 5Dreamina3 of 53 of 5Luma Dream Machine3 of 53 of 5Morph Studio3 of 53 of 5PixVerse3 of 53 of 5Runway3 of 53 of 5Veo / Flow (Google)3 of 53 of 5Wan (Tongyi Wanxiang)3 of 53 of 5invideo AI2 of 52 of 5Pika2 of 52 of 5Sora (OpenAI)2 of 52 of 5CapCut1 of 51 of 5
Fig. 2 One criterion across every rated tool, SceneMixer marked. The shape of this column is the reason this cell has a page: values held by at most two tools are the ones worth writing about. Recorded 2026-09-12.
Every rated tool on cast consistency, with SceneMixer marked. Recorded 2026-09-12.
ToolCast consistency
CapCut1 of 5
Dreamina3 of 5
Hailuo (MiniMax)4 of 5
invideo AI2 of 5
Kling AI4 of 5
LTX Studio4 of 5
Luma Dream Machine3 of 5
Morph Studio3 of 5
Pika2 of 5
PixVerse3 of 5
Runway3 of 5
SceneMixer5 of 5
Sora (OpenAI)2 of 5
Veo / Flow (Google)3 of 5
Vidu4 of 5
Wan (Tongyi Wanxiang)3 of 5

Inclusion rule. Tools rated on this rubric: a public English product page addressing at least four of the seven criteria. An unrated cell means nothing usable is published on that point. Order. Alphabetical by tool name.

2Why this column decides whether a series is feasible

A drifting face is the failure that ends serial production. Every other criterion affects how good an episode looks; this one affects whether sixty episodes can be the same story. Four tools reach four here and one reaches five, so the field is thin at the top of the column that matters most.

The four-versus-five distinction is whether the references are applied automatically or attached by hand each time. Over a season that is the difference between a pipeline and a discipline, and disciplines fail on the episodes nobody had time to check.

3What the rating deliberately does not claim

A five here says the mechanism is described and reusable. It does not say faces never drift, because nothing published by any vendor would support that claim and this register does not run its own trials.

A reader should expect drift anyway and read the cell as saying where the controls are. A documented store of references is something a production can audit when a face goes wrong; an undocumented one leaves nothing to check.

4The crowded middle of this column is the real story

Seven of the sixteen rated tools sit at three, which is the most crowded value anywhere on the rubric. Three means consistency is asserted and the mechanism is not described, which is the least actionable answer a vendor can give.

That crowding is why a single cell at the top is worth a page. The gap between three and five is not a difference of degree; it is the difference between a claim and something a colleague can be handed.

Ratings describe what each vendor publishes on its own pages, read 2026-09-12, and are given under the rule on how scoring works. This column across every tool is on cast consistency; this tool across all seven is on SceneMixer. Nearby cells: CapCut, cast consistency, SceneMixer, shot control. All of them: single ratings.