Z.aiGLM-5
GLM-5.3
A text model with stronger post-training on the GLM-5.2 base.
Practical use
Practical guidance. Update reasoning parameters as part of an API migration. For local deployment, review the new licence against the actual service structure; the preceding release's MIT licence does not determine the terms for these weights.
Specifications & access
| Detail | Value and conditions |
|---|---|
| Access | API, Downloadable |
| Model identifiers | glm-5.3zai-org/GLM-5.3 |
| Context and output | One-million-token API context; maximum 128,000 output tokens.GLM-5.3 guide |
| Reasoning | Always enabled; low, high or max effort. Requests that disable thinking fail.GLM-5.3 guide |
| Licence | Custom GLM-5.3 terms. MaaS businesses with aggregate group revenue above US$10 billion in a consecutive twelve-month period must pass Z.ai's security review before commercial use.GLM-5.3 licence |
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