Z.ai Details GLM-5.3-Flash Inference Build on 100,000 Chinese Chips

Z.ai on September 17, 2026 published a technical account describing how it built a complete production-grade inference service for its GLM-5.3-Flash model from scratch on a cluster of more than 100,000 Chinese-made AI accelerators. According to the company, much of the work was carried out by an Infra Agent powered by GLM-5.3 rather than by infrastructure engineers alone, and all production inference for GLM-5.3-Flash runs on the system. Z.ai said no one had previously operated a cluster of…

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