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GLM 4.5 Air (free)

glm-air Reasoning Open Weights

GLM-4.5-Air is the lightweight variant of our latest flagship model family, also purpose-built for agent-centric applications. Like GLM-4.5, it adopts the Mixture-of-Experts (MoE) architecture but with a more compact parameter...

Providers 1
Released Jul 28, 2025
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Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
OpenRouter z-ai/glm-4.5-air:free $0.00/MTok $0.00/MTok 128K 96K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output