Zai Releases GLM-5.3-Flash: 320B MoE with Hybrid Attention and 1M Context
TheZachMueller · x · 2026-08-26
Zai has released GLM-5.3-Flash, the first natively multimodal model in the GLM-5 series. It features a 320B total parameter / 18B active parameter MoE architecture, combining sparse and linear attention mechanisms with a 1M-token context window. The model is released under the MIT License and has day-0 support in vLLM, verified on both NVIDIA and AMD GPUs.
Related event: Zhipu Open-Sources GLM-5.3-Flash: 320B MoE Multimodal at 1/10th the Cost(48 posts)→
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