Nvidia Puts a 4B World Model on the Robot [Weekly Physical AI Roundup]
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NVIDIA Puts a 4B World Model on the Robot World models are usually too heavy for the control loop and run on a server. Cosmos 3 Edge is small enough to run on-device.Jay ChiaJul 23, 2026ShareCosmos 3 Edge, running on a JetsonCosmos 3 Edge is a 4B world foundation model built as a Mixture-of-Transformers, pairing an autoregressive reasoner with a diffusion generator that produces the action chunk. NVIDIA reports it running at roughly 15 Hz on a Jetson Thor at 640×360 and 32 actions per inference, generalizing across humanoids, grippers, and driving.
- ▪NVIDIA Puts a 4B World Model on the Robot World models are usually too heavy for the control loop and run on a server.
- ▪Cosmos 3 Edge is small enough to run on-device.Jay ChiaJul 23, 2026ShareCosmos 3 Edge, running on a JetsonCosmos 3 Edge is a 4B world foundation model built as a Mixture-of-Transformers, pairing an autoregressive reasoner with a diffusion g
- ▪NVIDIA reports it running at roughly 15 Hz on a Jetson Thor at 640×360 and 32 actions per inference, generalizing across humanoids, grippers, and driving.
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| Original publisher | Substack |
| Canonical URL | https://topicqueue.substack.com/p/nvidia-puts-a-4b-world-model-on-the |
| Publication time | Thu, 23 Jul 2026 22:58:24 +0000 |
| Retrieval time | 2026-07-24T02:46:12.463Z |
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NVIDIA Puts a 4B World Model on the Robot World models are usually too heavy for the control loop and run on a server. Cosmos 3 Edge is small enough to run on-device.Jay ChiaJul 23, 2026ShareCosmos 3 Edge, running on a JetsonCosmos 3 Edge is a 4B world foundation model built as a Mixture-of-Transformers, pairing an autoregressive reasoner with a diffusion generator that produces the action chunk. NVIDIA reports it running at roughly 15 Hz on a Jetson Thor at 640×360 and 32 actions per inference, generalizing across humanoids, grippers, and driving. The release includes open weights, a Cosmos-3-Edge-Policy post-trained on DROID for pick-and-place, and the post-training scripts to adapt it to your own setup.
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