The Missing Interface in AI-Generated Animation Is seek(t)

Why a deterministic scene contract matters more than asking a model for “a video.”

When people say a language model “made a video,” the model often did something more specific: it wrote code for a scene, then a renderer turned that code into frames. That distinction matters. A script can produce attractive motion in a live browser and still fail when you try to export it reliably.

The interface I would ask an AI coding model to implement is small: given a time t, render exactly the frame that belongs at t. Call it seek(t), renderAt(t), or something else. The name is incidental; the ability to jump to any timestamp is the contract. I use Claude Opus 5.5 as an example of a model that can write scene code, but the design applies to any code-generating model.

A browser preview can lie

A live animation normally moves forward. requestAnimationFrame calls...

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