Expired50% confidenceFactExact time
Huawei Ascend uses the CANN software stack, and Cambricon uses CNToolkit; both still face challenges in operator coverage and performance alignment.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/12/2026
First Seen
Valid until: 10/10/2026(expired)
Sources
DeepSeek Builds Its Own AI Chips: The Strategic Logic and Challenges Behind Compute Independence
hackernewshackernews7/9/2026
Related Claims
UnverifiedBuilding an alternative software stack requires reimplementing thousands of operators and gaining adoption by mainstream frameworks, and Huawei Ascend CANN and Cambricon CNToolkit still face challenges in operator coverage and performance alignment to this day.77% similarUnverified昇腾配套的软件栈为CANN（Compute Architecture for Neural Networks），提供与PyTorch、MindSpore等框架的适配层63% similarUnverifiedChinese AI chip companies still have a generational gap compared to NVIDIA's flagship products in terms of absolute compute performance, interconnect bandwidth, and software ecosystem maturity.62% similarUnverifiedThe NPU built into Huawei's Kirin chip is optimized specifically for AI tasks, achieving several times better energy efficiency compared to CPU/GPU solutions.59% similar
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