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NVIDIA Cosmos Reason 2 Brings Advanced Reasoning To Physical AI

AchievementModelJan 5, 2026

NVIDIA released Cosmos Reason 2, an open reasoning vision-language model for physical AI that tops the Physical AI Bench and Physical Reasoning leaderboards as the top open model. Announced by Tsung-Yi Lin and Debraj Sinha, it offers 2B and 8B parameter sizes, 256K input tokens, and improved spatial understanding including 2D/3D point localization. NVIDIA also highlighted Cosmos Predict 2.5 for generating physical world video predictions.

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NVIDIACompanyCosmos Reason 2ModelCosmos Predict 2.5ModelTsung-Yi LinPersonDebraj SinhaPerson
Canonical: https://huggingface.co/blog/nvidia/nvidia-cosmos-reason-2-brings-advanced-reasoning