z.ai, the chinese makers of GLM, built inference infrastructure with chinese only GPUs

We built a complete production-grade inference service from scratch on a cluster of more than 100,000 Chinese-made AI accelerators. All production inference for GLM-5.3-Flash runs on this system. This was not easy. No one had previously deployed a cluster of Chinese-made accelerators at this scale. We faced relatively limited chip memory capacity and bandwidth, while also needing to support a new model architecture, a 1M-token context window, and multimodal requests. The ecosystem was immature,

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