Sam Altman turned down a documentary’s requests to talk. So the director cast a ‘Sam Bot’ as its protagonist

Artificial intelligence’s dystopian specter has spawned a pair of documentaries dissecting a technology that’s depicted in the films as a ravenous parasite devouring humanity’s knowledge, creativity and empathy.

The films, “Deepfaking Sam Altman” and “The AI Doc,” examine the issue through different lenses while similarly illuminating why the technology evokes both existential fears and utopian visions about how it might change the world.

Both documentaries coincide with an...