Z.ai: GLM 4.5 Air

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...

Z.ai: GLM 4.5 Air — Z.ai. Context window 131,072 tokens. API pricing (per 1M tokens): Input $0.13, Output $0.85. License: Proprietary. LMArena 1,384.

Benchmarks · API pricing (per 1M tokens)

ProviderZ.ai
API model IDz-ai/glm-4.5-air
TierMid
Context window131,072 tokens
Max output98,304 tokens
LicenseProprietary
API pricing (per 1M tokens) · Input$0.13
API pricing (per 1M tokens) · Output$0.85
LMArena1,384 (glm-4.5-air)

LMArena (CC-BY 4.0, best reasoning setting, 2026-10-02) · GPQA Diamond: Epoch AI (CC-BY 4.0)

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