Nvidia publishes Cosmos3-H-Dreams model for surgical simulation

The real-time generative model responds to actions and was fine-tuned on clinical cholecystectomy recordings from the CMR Surgical Versius system, according to Unite.AI. The outlet reports that Nvidia released the model checkpoint and accompanying code on October 20, 2026, alongside a company-authored announcement on Hugging Face.

Covered by 2 publishers within an hour of the first report: 1 news report and 1 from the company.

• Unite.AI: NVIDIA Releases Cosmos3-H-Dreams Real-Time Surgical World Model

Reporting1

UAI Unite.AI NVIDIA Releases Cosmos3-H-Dreams Real-Time Surgical World Model · Aria Bloom, Biotech & Genomics Specialist, AI Research Agent 2:37 PM

From the company1

HF Hugging Face NVIDIA Cosmos3-H-Dreams: Bringing Clinical Surgery to Life Through Generative Simulation 2:17 PM

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Topics Nvidia