# GLM-4.5 Air

> Zhipu AI's lightweight GLM-4.5 variant for cost-effective tasks.

Agent resources: the index of everything machine-readable is https://www.ohmygpt.com/llms.txt; the integration skill (endpoints, auth, SDK and coding-tool setup) is https://www.ohmygpt.com/skill.md.

- Model ID: `zhipu/glm-4.5-air`
- Status: available
- Released: 2025-08-13
- Context: 131K tokens
- Max output: 98K tokens
- Input: text; output: text
- Knowledge cutoff: 2025-04
- Human preference rating (LMArena text): 1384

## Prices (USD)

| Item | Price | Unit |
| --- | --- | --- |
| Input | $0.12848 | per 1M tokens |
| Output | $0.3212 | per 1M tokens |
| Cache read | $0.025696 | per 1M tokens |

## Providers

Without a prefix each request goes to the best-priced healthy provider. To pin one, send the model as `<provider>:zhipu/glm-4.5-air`.

| Provider | Pinned model ID | Location | Input | Output | Trains on your data |
| --- | --- | --- | --- | --- | --- |
| Zhipu AI (ChatGLM) | `chatglm:zhipu/glm-4.5-air` | China | $0.12848 | $0.3212 | no |

## Endpoints

| API | Request | model |
| --- | --- | --- |
| OpenAI Chat | POST https://api.ohmygpt.com/v1/chat/completions | `zhipu/glm-4.5-air` |
| OpenAI Responses | POST https://api.ohmygpt.com/v1/responses | `zhipu/glm-4.5-air` |
| Anthropic Messages | POST https://api.ohmygpt.com/v1/messages | `zhipu/glm-4.5-air` |
| Google Gemini | POST https://api.ohmygpt.com/v1/models/zhipu/glm-4.5-air:generateContent | `zhipu/glm-4.5-air` |

## Example

```bash
curl https://api.ohmygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $OHMYGPT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "zhipu/glm-4.5-air",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'
```

Web page: https://www.ohmygpt.com/models/zhipu/glm-4.5-air