NVIDIA releases four open-weight Cosmos 3 world models
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On November 6, 2026, NVIDIA announced via the Hugging Face Blog the addition of 4 open-weight checkpoints to the Cosmos 3 model family. These models are designed for interactive world simulation and multi-sensor, multi-view driving scene generation. All are post-trained from Cosmos 3 Nano, each with 16B trainable parameters, and are released under the OpenMDW1.1 license. Currently there is only one report on this event, with no further developments disclosed.
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- Hugging Face BlogSelectedNew NVIDIA Cosmos 3 Open Models for Interactive World Simulation
NVIDIA added 4 open-weight checkpoints to the Cosmos 3 model family for interactive world simulation and multi-sensor, multi-view driving scene generation. All are post-trained from Cosmos 3 Nano, each with 16B trainable parameters, under the OpenMDW1.1 license.
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