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GLM Models & Versions - Complete List 2026

Z.ai GLM-5.x current and previous model releases, including GLM-5.3 and Flash.

8 tracked versionsDeveloper: Z.aiChecked: 2026-09-30

GLM is Z.ai's model family for coding, agents, reasoning and multimodal application workloads. The current GLM-5 line is grouped here with recent predecessor releases for comparison and migration intent.

LATEST MODEL

GLM-5.3

Current GLM flagship coding, reasoning and long-horizon agent workflows

Latest
MODEL LINEAGE

All GLM versions

Official source ->
ModelReleaseBest forStatus
GLM-5.3glm-5.3Aug 14, 2026Current GLM flagship coding, reasoning and long-horizon agent workflowsLatest
GLM-5.3-Flashglm-5.3-flashAug 26, 2026Lower-cost multimodal GLM-5 workflows and fast application useCurrent
GLM-5.3-Flashglm-5.3-flashAug 26, 2026Lower-cost multimodal GLM-5 workflows and fast application useCurrent
GLM-5.2glm-5.2Jun 16, 2026Previous GLM-5 generation for long-context coding and agentsPrevious
GLM-5.2glm-5.2Jun 16, 2026Previous GLM-5 generation for long-context coding and agentsPrevious
GLM-5glm-5Feb 12, 2026Original GLM-5 generation for agentic and coding workloadsPrevious
GLM-4.5Not specifiedEarlier GLM generation and migration comparisonsPrevious
GLM-4.5Not specifiedEarlier GLM generation and migration comparisonsPrevious

Latest GLM models

Tracked releases in this part of the model lineage.

Current GLM models

Tracked releases in this part of the model lineage.

Previous GLM models

Tracked releases in this part of the model lineage.