Qwen-Image-Plus - Generate Image (AI Model · By )

API Documentation

API Reference

Images

Generate Image

Supported Model Code

Loading models...

Qwen-Image-Plus (qwen-image-plus)

qwen-image-plus0 models support this endpoint

The Qwen series of image-generation models boasts exceptional text-rendering capabilities and excels in complex text rendering as well as a wide range of generation and editing tasks. This version, a snapshot taken on January 9, 2026, is a distilled and accelerated variant of Qwen-Image-Max, enabling faster generation of high-quality images. https://bailian.console.alibabacloud.com/cn-beijing?tab=model#/model-market/detail/qwen-image-plus-2026-01-09?serviceSite=asia-pacific-china

Generate image

https://api.modelstream.ai

POST/v1/images/generations

Authentication

BearerAuth

AuthenticationBearer <token>

All API requests must be authenticated using a Bearer token in the Authorization header. Please ensure your API key is active.Authorization: Bearer sk-xxxxxx

Parameter Location: Header Param

Request Body

application/json

These parameters come from the selected model form_schema. Switching models updates this list and the request example.

prompt*string

Text description of the image, supports Chinese and English, up to 800 characters.

RequiredExample Value: A vibrant and heartwarming hand-drawn illustration of three golden retriever puppies playing joyfully with a colorful ball on a lush green meadow under a bright blue sky. The style is charming and storybook-like, with soft textures and playful details like fluttering butterflies and tiny wildflowers. High quality, whimsical atmosphere.Placeholder: Describe the desired content, style, and composition in detail (max 800 characters)...

negative_prompt?string

Describe elements you do not want in the image, up to 500 characters. Optional.

Example Value: Low resolution, low quality, distorted limbs, malformed fingers, oversaturated colors, wax-figure appearance, lack of facial detail, excessive smoothness, AI-looking artifacts, chaotic composition, blurry or warped text.Placeholder: Describe content you do not want to see, e.g., low resolution, worst quality...

size?string

Sets the resolution of the output image. The Qwen-Image series supports 1664*928, 1472*1104, 1328*1328, 1104*1472, 928*1664. Default 1664*928.

Example Value: 1664*928

Enum/Options:

16:9: 1664*9284:3: 1472*11041:1: 1328*13283:4: 1104*14729:16: 928*1664

prompt_extend?boolean

When enabled, the model optimizes the prompt, significantly improving results for simple prompts. On by default.

Example Value: true

watermark?boolean

Adds a 'Qwen-Image' watermark to the bottom right of the image. Off by default.

Example Value: false

Response Parameters

application/json

200apiDocs.responses.successGenerateImage

created?integer

Parameter description for Created

data?array

Parameter description for Data

curl -X POST "https://api.modelstream.ai/v1/images/generations" \
  -H "Authorization: Bearer <token>" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "qwen-image-plus",
  "prompt": "A beautiful young East Asian woman wearing a dark fantasy-style hanfu, with porcelain-white skin, delicate facial features, and long flowing black hair. She stands in an ancient mystical setting surrounded by drifting flower petals, hanging lanterns, faint moonlight, and subtle magical mist. Her hanfu is elegant and intricate, featuring layered black and deep crimson fabrics, embroidered patterns, silver ornaments, and flowing sleeves. Add traditional Chinese aesthetic elements such as a jade hairpin, tassels, red spider lilies, an ancient pavilion, and soft glowing butterflies. The overall mood is graceful, mysterious, and ethereal, with a strong oriental fantasy atmosphere. Cinematic lighting, highly detailed, elegant composition, stunning beauty, ultra-realistic, visually rich, ancient Chinese fantasy style.",
  "parameters": {
    "negative_prompt": "Low resolution, low quality, distorted limbs, malformed fingers, oversaturated colors, wax-figure appearance, lack of facial detail, excessive smoothness, AI-looking artifacts, chaotic composition, blurry or warped text.",
    "size": "1664*928",
    "n": 1,
    "prompt_extend": true,
    "watermark": false,
    "seed": 12345
  }
}'

{
  "created": 0,
  "data": [
    {
      "url": "string",
      "b64_json": "string",
      "revised_prompt": "string"
    }
  ]
}

API Documentation

API Reference

Images

Generate Image

Supported Model Code

Loading models...

Qwen-Image-Plus (qwen-image-plus)

qwen-image-plus0 models support this endpoint

Generate image

https://api.modelstream.ai

POST/v1/images/generations

Authentication

BearerAuth

AuthenticationBearer <token>

All API requests must be authenticated using a Bearer token in the Authorization header. Please ensure your API key is active.Authorization: Bearer sk-xxxxxx

Parameter Location: Header Param

Request Body

application/json

These parameters come from the selected model form_schema. Switching models updates this list and the request example.

prompt*string

Text description of the image, supports Chinese and English, up to 800 characters.

negative_prompt?string

Describe elements you do not want in the image, up to 500 characters. Optional.

size?string

Sets the resolution of the output image. The Qwen-Image series supports 1664*928, 1472*1104, 1328*1328, 1104*1472, 928*1664. Default 1664*928.

Example Value: 1664*928

Enum/Options:

16:9: 1664*9284:3: 1472*11041:1: 1328*13283:4: 1104*14729:16: 928*1664

prompt_extend?boolean

When enabled, the model optimizes the prompt, significantly improving results for simple prompts. On by default.

Example Value: true

watermark?boolean

Adds a 'Qwen-Image' watermark to the bottom right of the image. Off by default.

Example Value: false

Response Parameters

application/json

200apiDocs.responses.successGenerateImage

created?integer

Parameter description for Created

data?array

Parameter description for Data

curl -X POST "https://api.modelstream.ai/v1/images/generations" \
  -H "Authorization: Bearer <token>" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "qwen-image-plus",
  "prompt": "A beautiful young East Asian woman wearing a dark fantasy-style hanfu, with porcelain-white skin, delicate facial features, and long flowing black hair. She stands in an ancient mystical setting surrounded by drifting flower petals, hanging lanterns, faint moonlight, and subtle magical mist. Her hanfu is elegant and intricate, featuring layered black and deep crimson fabrics, embroidered patterns, silver ornaments, and flowing sleeves. Add traditional Chinese aesthetic elements such as a jade hairpin, tassels, red spider lilies, an ancient pavilion, and soft glowing butterflies. The overall mood is graceful, mysterious, and ethereal, with a strong oriental fantasy atmosphere. Cinematic lighting, highly detailed, elegant composition, stunning beauty, ultra-realistic, visually rich, ancient Chinese fantasy style.",
  "parameters": {
    "negative_prompt": "Low resolution, low quality, distorted limbs, malformed fingers, oversaturated colors, wax-figure appearance, lack of facial detail, excessive smoothness, AI-looking artifacts, chaotic composition, blurry or warped text.",
    "size": "1664*928",
    "n": 1,
    "prompt_extend": true,
    "watermark": false,
    "seed": 12345
  }
}'

{
  "created": 0,
  "data": [
    {
      "url": "string",
      "b64_json": "string",
      "revised_prompt": "string"
    }
  ]
}