# Z-Image Turbo

> Ultra-fast image generation

**Family:** `zimage`  
**Model:** `turbo`  
**Creator:** Alibaba Tongyi Lab  
**License:** Apache-2.0

Ultra-fast image generation optimized for iteration.

## Overview

Z-Image Turbo is a 6B parameter model delivering sub-second generation at 1024×1024.

## Basic Usage

```bash
curl -X POST "https://sync.render.weyl.ai/image/zimage/turbo/t2i?format=1024" \
  -H "Authorization: Bearer $WEYL_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "portrait, natural lighting"
  }' \
  -o output.webp
```

## Performance

| Resolution | Steps | Latency (p50) |
|------------|-------|---------------|
| 512×512    | 5     | 140ms         |
| 1024×1024  | 8     | 320ms         |

**3-8× faster than FLUX Schnell**

## Parameters

```json
{
  "prompt": "description",
  "steps": 8,
  "seed": 42
}
```

**Note:** Z-Image uses fixed CFG 1.0 internally. The `guidance` parameter is ignored.