How AI Face Swap Video Actually Works: First Frame + Motion Control (With the Cost Math)
This story is from 2026-11-05. It is preserved in the archive; the latest stories are on the live feed.
"Face swap" sounds like one model doing one trick. In practice, the good results today come from a two-stage pipeline: build a clean first frame with the new person in it, then drive that frame with the motion from the original clip. Understanding the two stages explains almost every failure you'll…
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- 2026-11-05 10:21 · DEV Community — AI
How AI Face Swap Video Actually Works: First Frame + Motion Control (With the Cost Math)