GLM-5.3 Flash runs on Chinese hardware, rivals Opus 4.8

Z.AI confirmed GLM-5.3 Flash inference runs entirely on Chinese-manufactured hardware, though the chipmaker and throughput numbers were not disclosed. Unsloth's GGUF quants of GLM-5.3-Flash (ox-alpha) rival Claude Opus 4.8 on DeepSWE, coding, and agentic benchmarks per Unsloth's testing.