Notably, DeepSeek looks to have turned primarily to China’s Huawei Technologies for the hardware behind its latest release. Huawei said in a WeChat post that its entire Ascend AI chip line now offers full-stack support for DeepSeek V4 models, although DeepSeek said it validated one of V4’s key efficiency techniques on both Nvidia graphics-processing units and Huawei’s chips. Nvidia has been hampered in China by tensions between Washington and Beijing.