Why World Models Could Change Robotics, 3D, and Creativity
A16z talks with World Labs co-founders Justin Johnson and Fei-Fei Li about Atlas, a world model that unifies 3D reconstruction and generation using next-view prediction.
The gist
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Atlas can create bullet time video effects with just 3 smartphone cameras instead of hundreds of studio cameras, cutting production complexity by 50 to 100 times.
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The model takes 3 to 25 sparse images and fills in missing views through generation, removing the need for exhaustive manual capture that previously took hours per room.
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Robotics teams can use Atlas to convert real environments into simulations from sparse images, then generate synthetic variations to train robot policies without extensive manual scene setup.
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The co-founders argue next-view prediction can frame any spatial reasoning task the way next-token prediction frames language tasks in large language models.
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