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Z.ai: GLM 5.3

GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...

Text
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Specification
Model ID
z-ai/glm-5.3
Weight license
Not verified; consult the exact publisher model card
Modality
Text >text
Context
1.0M tokens
Input
$0.084/1M
Output
$3.60/1M
Updated
Nov 14, 2026
Scores
Capabilities
  • Supports tool calling
  • No vision support listed
  • Supports long-context workflows
  • Supports deeper reasoning tasks

Input and output

Accepts Text inputs. Returns Text outputs.

Supported parameters

frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_pparallel_tool_callspresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p

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