U.S. lab says Chinese AI models trained on Nvidia Blackwell chips despite sanctions

A U.S. nonprofit research group found evidence that Chinese AI models were trained on Nvidia's latest Blackwell GPU chips despite U.S. export controls prohibiting their shipment to China. Their forensic analysis detected hardware patterns tied to Blackwell chips in several AI models, suggesting potential circumvention of sanctions via remote rentals or smuggling routes.

This Wire brief sits within Fusion42's coverage of AI & ML, and 2 sources have reported it between 13 Nov 2026 and 14 Nov 2026.