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Z.ai: GLM 5.1

Reasoning Tool Calling Open Weights

GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks. Unlike previous models built around minute-level interactions, GLM-5.1 can work independently and continuously on...

Providers 1
Released Mar 27, 2026
Input Modalities text
Output Modalities text
Tarsk Use coding

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Kilo Gateway z-ai/glm-5.1 $1.26/MTok $3.96/MTok 202.8K 131.1K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output