Z.AI / zai/glm-4.5-air
GLM-4.5-Air - access through LLMTR
Good for teams that want coding, reasoning, and tool use from the GLM-4.5 family while keeping spend lower. The budget-friendly entry point in the lineup.
Technical specifications
| Canonical ID | zai/glm-4.5-air |
|---|---|
| Provider | Z.AI |
| Context window | 128,000 tokens |
| Operations | CHAT_COMPLETIONS |
| Modalities | text |
Pricing
An 8% platform margin applies to credit top-ups; model usage prices are not separately marked up.
| Operation | Metric | Unit | Price |
|---|---|---|---|
| CHAT_COMPLETIONS | INPUT_TEXT | PER_1M_TOKENS | $0.200000 |
| CHAT_COMPLETIONS | OUTPUT_TEXT | PER_1M_TOKENS | $1.10 |
Example usage
With existing OpenAI SDK flows, change only the base URL and model identifier.
curl https://llmtr.com/v1/chat/completions -H "Authorization: Bearer llmtr-your_key" -H "Content-Type: application/json" -d '{"model":"zai/glm-4.5-air","messages":[{"role":"user","content":"Hello"}]}'
Guides about this model
- The reasoning-toggle difference between GLM-4.5-Air and GLM-5.3 - On GLM-5.3, reasoning is mandatory on every response. On GLM-4.5-Air, reasoning is a toggle — it can be turned on or off at will. This article covers what that difference means in practice.
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