The a16z Show What Comes After ChatGPT? The Mother of ImageNet Predicts The Future
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Dec 5, 2025 
Fei-Fei Li, a Stanford professor and co-founder of World Labs, and Justin Johnson, her former PhD student and co-founder of World Labs, explore the future of spatial intelligence. They discuss the differences between spatial and linguistic intelligence, highlighting the importance of physics in world models. The duo introduces Marble, a groundbreaking generative 3D world model designed for creative applications. They delve into how Marble can enhance synthetic training data for robotics and redefine our understanding of visual data structures.
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Sustain Open Science And Fund Academia
- Preserve open science while recognizing industry plays different roles; support diverse ecosystem funding.
- Resource academia and public infrastructure to enable experimentation beyond mere scale chasing.
Bet On Hardware-Aware Research
- Explore new hardware-aware architectures rather than assuming GPU matrix-multiplication primitives scale forever.
- Start long-term academic projects to invent primitives for future distributed hardware.
Real-Time Demo From Early Research
- Justin built a real-time dense-captioning demo streaming images to a server and back at webcam rates.
- He even demoed it at ICCV 2015 with poor latency but it worked end-to-end across continents.