I've recently seen the concept of AI-generated videos gaining a lot of traction, especially those that can turn text directly into video. Could you explain the core principles behind these tools? How reliable are they? Are there any copyright or ethical risks involved? And how can one avoid potential issues when using them for commercial projects or personal creations?
Is AI-generated video really reliable?
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Similarly to how AI editors like MidJourney for images have learned to generate content based on text prompts, modern AI video services such as Runway, Pika Labs, or Sora use transformer and diffusion models. They break down text into tokens, learn to predict sequences of frames and super-resolution—requiring hundreds of gigabytes of training data and massive GPU clusters. But while MidJourney produces predicted "arts," video demands physically accurate object movements and lighting: that’s why the output often resembles a long GIF animation with artifacts, as if shot by a shaky camera.
In terms of reliability, these tools are currently suitable only for drafts, ad storyboards, or meme videos—not for films or corporate presentations—much like early Blender Cycles renders were "lo-fi" before Octane came along. Legally, the risk is the same as with generative AI photos: you might accidentally recreate someone else’s style or even identity; studios like Getty Images have already filed lawsuits for "theft" of training data. For commercial use, only opt for models certified with "clean training data" (e.g., Runway Fair Use), add a watermark, and always disclose that the content is AI-generated—just as we’ve done with Photoshopped photos since the 2000s.