Import AI 454: Automating alignment research; safety study of a Chinese model; HiFloat4

Huawei researchers demonstrate HiFloat4, a proprietary 4-bit precision format, outperforming the Open Compute Project's MXFP4 standard on Ascend NPU accelerators. Testing with OpenPangu-1B, Llama3-8B, and Qwen3-MoE-30B models showed HiFloat4 achieving ~1.0% relative loss versus MXFP4's ~1.5% compared to full-precision baselines. The work reflects Chinese industry strategy to optimize hardware-software stacks under export control constraints.