Z.ai - Mixture of experts - verified
Run GLM-4.5-Air locally
GLM-4.5-Air is a 110.5B mixture-of-experts (12B active) model from Z.ai with a 131K-token context window, released under MIT (commercial use is allowed); the smallest listed download is 60.1 GB, the 4bit MLX build from mlx-community/GLM-4.5-Air-4bit.
Official weights: zai-org/GLM-4.5-Air
- Total params
- 110.5B
- Active params
- 12B
- Context
- 131K
- Smallest download
- 60.1 GB
Fits in
Smallest download at most 85% of memoryDownloads
The official weights and every quantization listed for this model, with file sizes from Hugging Face.
| Download | Format | Size | Repo |
|---|---|---|---|
Official weights | BF16 | 220.9 GB | zai-org/GLM-4.5-Air |
Q4_K_M | GGUF | 73.0 GB | unsloth/GLM-4.5-Air-GGUF |
Q8_0 | GGUF | 117.5 GB | unsloth/GLM-4.5-Air-GGUF |
4bitSmallest listed | MLX | 60.1 GB | mlx-community/GLM-4.5-Air-4bit |
FP8 | FP8 | 112.6 GB | zai-org/GLM-4.5-Air-FP8 |
GB is decimal: 1 GB = 10^9 bytes. Add memory for the context and the operating system on top of the file size.
Run it
The official pages read for this directory publish no copyable run command for GLM-4.5-Air. Download the weights from zai-org/GLM-4.5-Air and follow the model card's serving instructions.
Not sure which runtime to use? Compare local LLM runtimes by platform, API and features.
License
- License
- MIT
mit - Commercial use
- Commercial use: YesCommercial use is allowed.
- Gated download
- No. The files download directly.
Worth knowing
Compact Z.ai text MoE with 106B total and 12B active parameters per the card, released under MIT for commercial use.
Released (per the announcement).
FAQ
How big is the GLM-4.5-Air download?
The official BF16 weights in zai-org/GLM-4.5-Air are 220.9 GB. The smallest listed download is 60.1 GB, the 4bit MLX build from mlx-community/GLM-4.5-Air-4bit. Plan for more memory than the file size: the context (KV cache) and the operating system need room too.
Can I use GLM-4.5-Air commercially?
GLM-4.5-Air is released under MIT, and commercial use is allowed. The license text is at https://huggingface.co/zai-org/GLM-4.5-Air.
How much memory do I need for GLM-4.5-Air?
By this directory's rule of thumb it fits in 128 GB and up: the smallest listed download, 60.1 GB, is at most 85% of 128 GB, which leaves room for the context and the operating system.
What is the context length of GLM-4.5-Air?
131,072 tokens. A longer context needs more memory for the KV cache, so you can run with a shorter one when memory is tight.
Sources
Last verified from the pages below.
- Hugging Face model card - huggingface.co
- config.json - huggingface.co
- Z.ai announcement - z.ai
- Vendor FP8 weights - huggingface.co
- unsloth GGUF - huggingface.co
- MLX 4-bit - huggingface.co
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