GLM 5.3

GLM 5.3 delivers comprehensive advancements in complex software engineering and agent capabilities. It uses the same base model as GLM-5.2, with all improvements driven by post-training. Your use is subject to Z.AI's Terms & Privacy Policies.

ReasoningTool UseImplicit Caching

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import { streamText } from 'ai'

const result = streamText({
  model: 'zai/glm-5.3',
  prompt: 'Why is the sky blue?'
})

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Try out GLM 5.3 by Z.AI. Usage is billed to your team at API rates. Free users (those who haven't made a payment) get $5 of credits every 30 days.

GLM 5.3

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