NVIDIA Video Medium Open weights

Cosmos 3 Nano

165 days since NVIDIA announced it · 31 May 2026

Cosmos 3 Nano is an open-weights video model from NVIDIA, announced 31 May 2026. It has 16B parameters.

Price: —; the lab’s list price
Parameters: 16B; total

No price on the lab’s own pages.

Announcement: nvidianews.nvidia.com/news/nvidia-launches-cosmos-3-the-open-frontier-foundation-model-for-physical-ai
Docs: docs.nvidia.com/cosmos/latest/cosmos3/model_matrix.html

Our coverage

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NVIDIA releases Cosmos 3 Nano simulation checkpoints
02 Nov 2026

NVIDIA · Medium · Cosmos

open weights

Cosmos 3 Nano 31 May 2026

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Facts last updated 7 Nov 2026, from NVIDIA’s own pages.