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Sources say Alibaba, Tencent, Baidu, and other Chinese companies are testing domestic alternatives as they deal with a dwindling stockpile of Nvidia processors (Financial Times)
https://www.ft.com/content/bb1315e8-27df-4a93-a4dc-11e2883fdde3

Chinese tech groups prepare for AI future without Nvidia
Tougher US export restrictions on advanced chips give added urgency to testing of domestic alternatives