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Models/GLM-4.5-Air
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Z.ai (Zhipu AI),Tsinghua University: GLM-4.5-Air

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z-ai/glm-4.5-air

A smaller version of GLM-4.5, Zhipu AI & Tsinghua University's large open source model.

Context
131K
Input
$0.13 / 1M
Output
$0.85 / 1M
Released
Jul 20, 2025
Modalities
text→text

Benchmarks

Scores on standardized evaluations. Higher is better — and rank shows where GLM-4.5-Air lands among all models tracked on Model Beat.

0.0
Intelligence Index
Epoch AI
0th percentile of tracked models
0.0
Coding Index
Epoch AI
0th percentile of tracked models

Reasoning

1 evals
Humanity's Last Exam8.1%

Frontier of human expert knowledge

Coding

1 evals
GSO (code optimization)2.9%

Code performance optimization

Model & benchmark data from Epoch AI (CC BY); pricing, specs & descriptions from OpenRouter.