# Z.ai: GLM 4.5 Air

Z.ai: GLM 4.5 Air offers a 131,072-token context window at $0.13 per 1M input tokens and $0.85 per 1M output tokens. Supported inputs: text. Data via OpenRouter /models, as of Oct 29, 2026.

Source: **OpenRouter /models** · _as of Oct 29, 2026_

[OpenRouter model catalogue feed](https://openrouter.ai/api/v1/models)

- [Z.ai: GLM 4.5 Air source listing](https://openrouter.ai/z-ai/glm-4.5-air)

These are provider-catalog specifications, not a task-quality benchmark. Prices describe the source listing and may vary by provider or routing. Unknown values are shown as — when the feed did not supply that value.

## Specifications

| Context window | 131,072 tokens |
| --- | --- |
| Input price | $0.13 / 1M tokens |
| Output price | $0.85 / 1M tokens |
| Input modalities | text |
| Output modalities | text |
| Model id | z-ai/glm-4.5-air |

## Frequently asked questions

### What is the context window of Z.ai: GLM 4.5 Air?

Z.ai: GLM 4.5 Air supports up to 131,072 tokens of context.

### How much does Z.ai: GLM 4.5 Air cost?

$0.13 per 1M input tokens and $0.85 per 1M output tokens (via OpenRouter /models, as of Oct 29, 2026).

### What input types does Z.ai: GLM 4.5 Air support?

Z.ai: GLM 4.5 Air accepts text.

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Source: https://prompeteer.ai/models/z-ai-glm-4-5-air