Sam Witteveen
6/1/2026

Cosmos 3 - NVIDIA's World Foundation Model
Short summary
NVIDIA released Cosmos 3, an open-world foundation model with five input and five output modalities for multimodal reasoning in physical AI and robotics. The video reviews the architecture, compares model sizes, walks through the technical paper, and demonstrates Cosmos 3 Nano. Resources include official documentation, technical report, Hugging Face collection, and code samples.
- •Cosmos 3 is an omnimodal foundation model supporting five input/output modality types
- •Video includes architecture explanation, paper walkthrough, and live demo of Cosmos 3 Nano
- •Official resources available: NVIDIA blogs, developer docs, HF collection, and GitHub code
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