GLM 4.5 Air
Z.AI
z-ai/glm-4.5-airGLM-4.5-Air is a lighter-weight, more efficient variant of Z.ai's GLM-4.5 model, trading some capacity for lower cost and faster inference. It is well suited for general reasoning and coding tasks where a smaller footprint is preferred over the full GLM-4.5 model.
Cost rate
0.2x
Context
131K
Released
Jul 25, 2025
Input
Text
Output
Text
Support
ReasoningTool callingStructured outputs
Best at
The categories where this model ranks highest.
Mathematical
#155 · top 42%
Life, Physical, & Social Science
#167 · top 43%
Software & IT Services
#169 · top 43%
Medicine & Healthcare
#169 · top 47%
Performance
Median latency and throughput measured across recent requests.
Throughput77 tok/s
Latency