Z.ai · AI Model

GLM-5.3

GLM-5.3 · Released 14 August 2026

Model profile

ProviderZ.ai
FamilyGLM-5
Modalitytext
Context1,000,000 tokens
Max output
ReasoningYes
Tool callingYes
Structured outputYes
Open weightsYes
Licence

Published Cybatar benchmarks

No verified Cybatar-run benchmark result has been published for this model yet.

Lifecycle intelligence

Release & availability timeline

14 Aug 2026 · Model Release

GLM-5.3 release record

Official-source release record for the exact GLM-5.3 model version.

Evidence ↗
14 Aug 2026 · Model Release

Z.ai releases GLM-5.3

GLM-5.3 expands Z.ai’s long-context and coding-focused model portfolio.

Evidence ↗