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z-ai
z-aiZ.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...
z-ai/glm-5.3
Context Size
1,310.72K
Input Price
210,000 pts/M
Output Price
660,000 pts/M
Architecture
Text
Supported Parameters
frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_pparallel_tool_callspresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p
Details
TokenizerOther
Max Completion943,718 tokens
Provider Context1,048.576K tokens
ModeratedNo
CreatedAug 18, 2026