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Z.ai Releases GLM-5.3-Flash, a 320B-A18B Multimodal MoE with 1M-Token Context

This story is from 2026-08-26. It is preserved in the archive; the latest stories are on the live feed.

Z.ai released GLM-5.3-Flash, a natively multimodal mixture-of-experts model with 320B total parameters (18B active), a 1,048,576-token context window, and MIT-licensed weights on Hugging Face. It activates 8 of 288 experts across 45 layers.

Read the full story at r/LocalLLM ↗

Timeline · 3 reports

  1. 2026-08-26 21:55 · r/machinelearningnews
    Z.ai Releases GLM-5.3-Flash: A 320B-A18B Natively Multimodal MoE With a 1M-Token Context
  2. 2026-08-26 21:33 · MarkTechPost
    Z.ai Releases GLM-5.3-Flash: A 320B-A18B Natively Multimodal MoE With a 1M-Token Context
  3. 2026-08-26 14:16 · r/LocalLLM
    GLM 5.3 Flash (320B A18B) is out!

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