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How AI Video Generation Actually Works, Explained for the TikTok Trend You Saw

A clear technical guide explaining how modern AI video generation works. Learn about Diffusion Transformers (DiT), 3D space-time VAE, and flow matching.

Sachin Sharma
Sachin SharmaCreator
Aug 1, 2026
6 min read
How AI Video Generation Actually Works, Explained for the TikTok Trend You Saw
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A clear technical guide explaining how modern AI video generation works. Learn about Diffusion Transformers (DiT), 3D space-time VAE, and flow matching.

AI VideoSoraRunway Gen-3Diffusion TransformersComputer VisionViral Trends
Sachin Sharma

Sachin Sharma

Software Developer & Mobile Engineer

Building digital experiences at the intersection of design and code. Sharing weekly insights on engineering, productivity, and the future of tech.

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