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Introducing NV-Reason-CT Open 3D CT VLM for Radiologist Chain-of-Thought Reasoning

NVIDIA Developer Blog · Sep 23, 2026 · Product Launches

NVIDIA releases NV-Reason-CT, an open 3D CT vision language model for radiologist chain-of-thought reasoning.

NVIDIA introduced NV-Reason-CT, an open vision language model built for 3D CT scans, a data-dense modality that frontier general-purpose VLMs handle poorly. It targets radiologist-style chain-of-thought reasoning on volumetric imaging, addressing a gap where most open medical AI models underperform. This matters as a domain-specific open model advancing clinical AI for underserved 3D imaging.

medical-ai vision-language-model nvidia radiology 3d-ct

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