Qwen Image Fast

Rate Limit: 150 requests per minute

Category: Image Generation

Price: 0.005$ / image

---

Quickstart

Basic Image Generation (Asynchronous)

curl -X POST 'https://api.pruna.ai/v1/predictions' \
  -H 'Content-Type: application/json' \
  -H 'apikey: YOUR_API_KEY' \
  -H 'Model: qwen-image-fast' \
  -d '{
    "input": {
      "prompt": "A serene Japanese garden with cherry blossoms and a traditional wooden bridge"
    }
  }'

Basic Image Generation (Synchronous)

curl -X POST 'https://api.pruna.ai/v1/predictions' \
  -H 'Content-Type: application/json' \
  -H 'apikey: YOUR_API_KEY' \
  -H 'Model: qwen-image-fast' \
  -H 'Try-Sync: true' \
  -d '{
    "input": {
      "prompt": "A serene Japanese garden with cherry blossoms and a traditional wooden bridge"
    }
  }'

Preset Aspect Ratio

curl -X POST 'https://api.pruna.ai/v1/predictions' \
  -H 'Content-Type: application/json' \
  -H 'apikey: YOUR_API_KEY' \
  -H 'Model: qwen-image-fast' \
  -d '{
    "input": {
      "prompt": "Cinematic landscape of mountains at sunset",
      "aspect_ratio": "16:9",
      "creativity": 0.8,
      "seed": 42
    }
  }'

Custom Dimensions

curl -X POST 'https://api.pruna.ai/v1/predictions' \
  -H 'Content-Type: application/json' \
  -H 'apikey: YOUR_API_KEY' \
  -H 'Model: qwen-image-fast' \
  -d '{
    "input": {
      "prompt": "Abstract geometric patterns in vibrant colors",
      "aspect_ratio": "custom",
      "width": 1280,
      "height": 960,
      "creativity": 0.75,
      "disable_safety_checker": false
    }
  }'

---

Parameters

Required Parameters

Parameter	Type	Description
prompt	string	Text prompt for image generation

Optional Parameters

Parameter	Type	Default	Description
aspect_ratio	string	"16:9"	Aspect ratio for the generated image. Options: "1:1", "16:9", "9:16", "4:3", "3:4", "3:2", "2:3", "custom"
width	integer	(optional)	Width of the generated image. Only used when aspect_ratio="custom". Must be a multiple of 16 (256-1440)
height	integer	(optional)	Height of the generated image. Only used when aspect_ratio="custom". Must be a multiple of 16 (256-1440)
creativity	float	0.62	Control the creativity of the model. Higher values increase the seed diversity (0.0-1.0)
seed	integer	(optional)	Random seed. Set for reproducible generation
disable_safety_checker	boolean	false	Disable safety checker for generated images