NVIDIA putting Cosmos 3 on Hugging Face smells like a move for the robotics data stack, not a plain multimodal release. The summary gives two hard anchors: Nano at 16B and Super at 64B. Inputs span text, image, video, and action trajectories; outputs span video, images, audio, and action commands. That is very NVIDIA: the model is the hook, while simulation, synthetic data, Isaac, and Omniverse are where the money sits.
The usable article body is blocked by Reddit 403, so license, weight access, inference cost, and evals are not disclosed. “On HF” can make this sound open in the LocalLLaMA sense, but NVIDIA releases often arrive with commercial limits or platform gravity. If the action-command side lacks real robot closed-loop evaluation, this is a world-model demo with useful plumbing, not a deployable policy.