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Z.ai: GLM 5.1

glm-5.1

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...

Modalities

Input

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Output

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Pricing
Cost per 1 million tokens
Input
$1.176
Output
$3.696
Model Specs
Context Window
202,752
Max Output
131,072
Release Date
2026-03-27
Knowledge Cutoff
Capabilities
Reasoning
Tool Calling
Vision

Last Updated: 2026-03-27

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