NVIDIA releases four open-source world models in the Cosmos 3 series
What happened
On 6 November 2026, NVIDIA announced on its Hugging Face blog that it has added four open-weight checkpoints for interactive world simulation to its Cosmos world model platform. All four models are post-trained from Cosmos 3 Nano, carry 16B trainable parameters and use the OpenMDW1.1 licence, which permits commercial and non-commercial use. So far only the open-weight release has happened; no reports on later applications or evaluations have appeared.
Written by AI from the reports · updated 3 h ago
Timeline
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- Hugging Face BlogSelectedNew NVIDIA Cosmos 3 Open Models for Interactive World Simulation
NVIDIA Cosmos world model development platform adds four new open-weight checkpoints to its Cosmos 3 model family for generating interactive world simulation and multi-sensor multi-view driving scenes. All four models are post-trained examples of Cosmos 3 Nano and have 16B trainable parameters. The models use OpenMDW1.1, permitting commercial and non-commercial use under its terms.
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