z-ai
Z.ai: GLM 4.5 Air
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...
- Type
- text
- Provider
- z-ai
- Model ID
- z-ai/glm-4.5-air
- Capabilities
- tools, reasoning
- Context window
- 131K tokens
- Self-hostable
- Yes — runs on your own GPU
- Input price
- $0.14 / 1M tokens
- Output price
- $0.94 / 1M tokens
Cloud price is billed from prepaid credits when a request fails over to the cloud. Open-weight models run free on GPUs you own — the gateway routes to your nodes first.
What it costs to run
cloud · 1M in + 1M out
$1.08
$0.14 for a million input tokens plus $0.94 for a million output tokens, billed from credits only when a request fails over to the cloud.
your hardware
$0 / token
Served from a workstation or on-prem server you own, there is no per-token fee — the marginal cost is power.
Run it on your own hardware
Estimated GPU memory for Z.ai: GLM 4.5 Air (110B parameters), including the KV cache for a 8,192-token context.
- Q4_K_M
- ~64.9 GBfits a 80 GB card
- Q8_0
- ~111.2 GBmulti-GPU or large unified memory
- FP16 / BF16
- ~208.0 GBmulti-GPU or large unified memory
Install the agent on the machine and it dials out to the gateway over a single WebSocket — no port forwarding or inbound firewall rules. Requests for this model go to your node first and fail over to the cloud only when it can't serve.
/// initialize
Call Z.ai: GLM 4.5 Air through one OpenAI-compatible endpoint.
Serve it from hardware you own, with cloud failover when your nodes are busy or offline.
no credit card · 2 nodes free · openai-compatible
Frequently asked questions
- What is the context window of Z.ai: GLM 4.5 Air?
- Z.ai: GLM 4.5 Air accepts up to 131,072 tokens (131K) of context per request.
- How much does Z.ai: GLM 4.5 Air cost per million tokens?
- Through Wide Area Intelligence, Z.ai: GLM 4.5 Air costs $0.14 per 1M input tokens and $0.94 per 1M output tokens when served from the cloud, billed from prepaid credits. A workload of 1M input plus 1M output tokens costs $1.08.
- Can I run Z.ai: GLM 4.5 Air on my own hardware?
- Yes — Z.ai: GLM 4.5 Air is an open-weight model you can run on a workstation or on-prem server you own. At Q4_K_M it needs roughly 64.9 GB of GPU memory with an 8,192-token context — it fits a single 80 GB card. Wide Area Intelligence routes requests to your own nodes first and fails over to the cloud only when they can't serve.