Don't view generative AI video as just a way to make traditional films more efficiently. Ben Horowitz sees it as a fundamentally new creative medium, much like movies were to theater. It enables entirely new forms of storytelling by making visuals that once required massive budgets accessible to anyone.

Creating rich, interactive 3D worlds is currently so expensive it's reserved for AAA games with mass appeal. Generative spatial AI dramatically reduces this cost, paving the way for hyper-personalized 3D media for niche applications—like education or training—that were previously economically unviable.

While today's focus is on text-based LLMs, the true, defensible AI battleground will be in complex modalities like video. Generating video requires multiple interacting models and unique architectures, creating far greater potential for differentiation and a wider competitive moat than text-based interfaces, which will become commoditized.

The future of media is not just recommended content, but content rendered on-the-fly for each user. AI will analyze micro-behaviors like eye movement and swipe speed to generate the most engaging possible video in that exact moment. The algorithm will become the content itself.

While consumer AI video grabs headlines, Synthesia found a massive market by focusing on enterprise knowledge. Their talking-head avatars replace slide decks and text documents for corporate training, where utility trumps novelty and the competition is text, not high-production video.

Cristobal Valenzuela, CEO of Runway, argues that the paradigm of non-linear video editing (NLE) will be replaced by AI. As content generation moves to real-time and becomes interactive, the traditional, asynchronous process of cutting and stacking clips will feel as outdated as a fax machine.

The OpenAI team believes generative video won't just create traditional feature films more easily. It will give rise to entirely new mediums and creator classes, much like the film camera created cinema, a medium distinct from the recorded stage plays it was first used for.

Sam Altman suggests AI will create a new form of entertainment on the spectrum between passive movies and intense games. Experiences will be more interactive than a film but less demanding than a typical video game, allowing users to lean back while also having moments of creative input.

AI video is evolving from passive generation to active engagement. Synthesia's new products focus on the intersection of video and AI agents, allowing users to, for example, watch a training video and then enter a role-playing simulation with an AI to test their comprehension.