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

Use with AI Gateway View docs

import { streamText } from 'ai'

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

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Overview API Providers Throughput Latency Uptime Status Similar

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Model

Context	Latency	Throughput	Input	Output	Cache	Web Search	Capabilities	Providers	ZDR	No Training	Release Date

zai/glm-5.2-fast

0.5s

174tps

$2.10/M

$6.60/M

Read:$0.21/M

Write:—

—

06/23/2026

zai/glm-5.2

0.3s

474tps

$1.40/M$0.80/M

Fast $2.10/M

$4.40/M$2.52/M

Fast $6.60/M

Read:$0.26/M$0.14/M

Write:—

—

+12

06/16/2026

zai/glm-5.1

205K

3.8s

72tps

$1.40/M

$4.40/M

Read:$0.26/M

Write:—

—

04/07/2026

zai/glm-5

203K

0.3s

92tps

$0.80/M

$2.56/M

Read:$0.16/M

Write:—

—

02/12/2026

zai/glm-4.7-flashx

200K

0.8s

127tps

$0.06/M

$0.40/M

Read:$0.01/M

Write:—

—

01/19/2026

zai/glm-4.7

205K

0.2s

124tps

$2.25/M

$2.75/M

Read:$2.25/M

Write:—

—

12/22/2025

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GLM 5.3

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