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NVIDIA highlights OpenAI model training on GB200 NVL72 systems
In a corporate blog post, NVIDIA highlights that leading frontier artificial intelligence developers continue to train and deploy advanced foundation models on its hardware stack. The company notes that OpenAI utilized NVIDIA Hopper and GB200 NVL72 systems to train and run models including GPT-5.2 and GPT-5.3 Codex, reinforcing NVIDIA's central position as the primary compute provider for next-generation agentic and reasoning architectures. Claims are as reported; this summary makes no determination about accuracy or significance.