GLM-5.3-Flash from @zai_org is on Zyphra Inference, served with the Zyphra Optimization Engine (ZOE) on @AMD Instinct MI300X.
With ZOE, p90 generation is 3.1x faster per user and p90 time to first token is 10.7x lower than stock SGLang.
Try it at: https://cloud.zyphra.com
