Model release · Zhipu

GLM-5.3-Flash

Model released: Aug 26, 2026 · Date only

First native multimodal in GLM-5 series; 320B/18B; Coding Plan about 3× quota; list price about $0.15/$0.50 /1M (promo periods separate)

Availability

API glm-5.3-flash; MIT open source HF zai-org/GLM-5.3-Flash

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Source trace

Reviewed by Ailyre. Source evidence is presented separately from our summary.

docs.z.ai

docs.z.ai

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