Alibaba open-sources its AI chip software stack at WAIC, targeting Nvidia’s CUDA lock-in

July 18, 2026
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TL;DR

Alibaba’s T-Head open-sourced SAIL, the software stack for its Zhenwu AI chips, at WAIC in Shanghai. It aims to lower the barrier to migrating off Nvidia’s CUDA.

Alibaba’s chip design unit T-Head announced at the World AI Conference in Shanghai on Saturday that it is open-sourcing SAIL, the full software stack for its Zhenwu series of AI chips.…

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