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How do AI models generate videos?

Will Douglas Heaven

created: Sept. 12, 2025, 10:01 a.m. | updated: Sept. 18, 2025, noon

Sure, the clips you see in demo reels are cherry-picked to showcase a company’s models at the top of their game. The downside is that creators are competing with AI slop, and social media feeds are filling up with faked news footage. Video generation also uses up a huge amount of energy, many times more than text or image generation. With AI-generated videos everywhere, let's take a moment to talk about the tech that makes them work. There are now a range of high-end tools that allow pro video makers to insert video generation models into their workflows.

3 months ago: MIT Technology Review