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...
Capabilities
Modalities
Quick stats
Performance
Supported parameters
| Parameter | Always | Default |
|---|---|---|
| frequency_penalty | - | (do not send) |
| include_reasoning | - | |
| max_tokens | - | |
| presence_penalty | - | - |
| reasoning | - | |
| repetition_penalty | - | - |
| response_format | - | - |
| seed | - | - |
| stop | - | - |
| temperature | 0.75 | |
| tool_choice | - | |
| tools | - | |
| top_k | - | - |
| top_p | (do not send) |
Pricing
| Input price | $0.00 · 1M tokens |
| Output price | $0.00 · 1M tokens |
| Context window | 131.1K tokens |
| Compatible endpoints | openai |
| Vendor | Zhipu |
Call glm-4.5-air from your code
Point any OpenAI-compatible SDK at UnoRouter and request the model by name. Replace YOUR_API_KEY with a real key from your dashboard.
curl https://api.unorouter.com/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "glm-4.5-air",
"messages": [{"role": "user", "content": "Hello!"}]
}'Frequently asked questions
How much does glm-4.5-air cost per 1M tokens?
Input is priced at $0.00 per 1M tokens, output at $0.00 per 1M tokens. Billing is per token, no rounding to batch sizes.
How do I access glm-4.5-air via API?
Send requests to the UnoRouter /v1/chat/completions endpoint with model=glm-4.5-air. Any OpenAI-compatible client library works. Authentication uses a standard Bearer token.
What is the context window of glm-4.5-air?
glm-4.5-air supports a context window of 131.1K tokens, shared between your prompt and the model's response.