---
title: "Z Image API — 變體、價格與 model skill"
url: "https://runapi.ai/zh-HK/models/z-image.md"
canonical: "https://runapi.ai/zh-HK/models/z-image.md"
locale: "zh-HK"
model: "Z Image"
provider: "Alibaba"
modality: "image"
variant_count: 1
price_from_cents: 1
---

# Z Image API

Ultra-fast text-to-image — photorealistic results in ~1 second with 8 inference steps.

**Provider:** Alibaba
**Modality:** Image
**Catalog:** 1 endpoints

Z Image is Alibaba's ultra-fast text-to-image model that generates images in approximately 1 second using 8 inference steps. It prioritizes generation speed while maintaining coherent, high-quality outputs.

## Variants

Single-SKU line. The SDK model ID is `z-image` and all usage details are documented here.

## Pricing

| Endpoint | Pricing | Billing |
|---|---|---|
| `text_to_image` | $0.010 | call |

## Spec sheet

| Field | Value |
|---|---|
| Model ID | `z-image` |
| Provider | Alibaba |
| Modality | image |
| Task type | asynchronous |
| Billing unit | call |
| API endpoint | `/api/v1/z_image/text_to_image` |


## Install the skill

```sh
npx skills add runapi-ai/z-image -g
```

The skill gives your coding tool the model docs, schemas, pricing notes, and setup steps needed to add Z Image features to an application.

## Context

Z Image is Alibaba's speed-optimized text-to-image model, generating results very fast. Through RunAPI, it shares the same API shape and billing as all Alibaba models.

## FAQ

### 我應該先用邊個版本？

先選最平而且符合你質素要求的版本。大多數團隊會先用快速版本，之後再升級到 pro 用於正式生產。

### 有免費方案嗎？

新帳戶可獲得每個模型的首次呼叫免費。之後按次收費。

### 你哋支援串流結果嗎？

如有提供串流，RunAPI 會端到端串流。

### 失敗會點樣收費？

生成失敗不會收費。

### 輸出有快取嗎？

已生成輸出會儲存，並可按任務 ID 取回。輸入內容不會快取。

### 可以商業使用嗎？

可以——除非模型授權明確限制，否則每個版本都包括商業使用。相關限制會在版本頁面列明。

### 限流點樣計？

每個密鑰的限流會跟使用等級而提升。最新限制請參考定價頁。

### 可以在邊度報告問題？

可以在公開 GitHub repo 開 issue，或者電郵支援。