# Hugging Face — NVIDIA Cosmos Reason 2 Brings Advanced Reasoning To Physical AI

- Company: Hugging Face (huggingface.co)
- Announced: 2026-01-05T22:56:51+00:00
- Category: model-update
- Subject: Platform
- Models affected: Cosmos Reason 2
- Context window: 256K input tokens
- Source: https://huggingface.co/blog/nvidia/nvidia-cosmos-reason-2-brings-advanced-reasoning
- Record: https://forck.live/items/1565-nvidia-cosmos-reason-2-brings-advanced-reasoning-to-physical-ai

NVIDIA announced the release of Cosmos Reason 2, an open reasoning vision-language model for physical AI, with improvements in spatio-temporal understanding, 256K token context window, and support for 2B and 8B parameter sizes.

## Evidence

Verbatim from https://huggingface.co/blog/nvidia/nvidia-cosmos-reason-2-brings-advanced-reasoning:

> NVIDIA today released Cosmos Reason 2, the latest advancement in open, reasoning vision language models for physical AI. Cosmos Reason 2 surpasses its previous version in accuracy and tops the Physical AI Bench and Physical Reasoning leaderboards as the #1 open model for visual understanding.

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