Brian Long in this interview speaks alarmingly several times about the ability of "open source" models to evade controls against these sorts of fakes.
not only do these models lack signature benefits many of us have traditionally associated with "open" in favor merely of running the black boxes locally, "open source" is being associated directly with this sort of exploitation
https://www.wbur.org/hereandnow/2026/02/12/ai-deepfake-online-tools