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GLM 5.3 Flash

GLM-5.3-Flash is Z.ai’s native multimodal coding model, featuring 320B total parameters, 18B activated parameters, and a 1M-token context window. Its efficient hybrid attention architecture supports visual coding, tool use, and end-to-end professional workflows across code, browsers, documents, and graphical interfaces. Your use is subject to Z.AI's Terms & Privacy Policies.

ReasoningTool UseImplicit CachingVision (Image)
import { streamText } from 'ai'
const result = streamText({
model: 'zai/glm-5.3-flash',
prompt: 'Why is the sky blue?'
})
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08/26/2026