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

API Documentation

API Reference

Images

Generate Image

Supported Model Code

Loading models...

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

qwen-image-edit-plus0 models support this endpoint

The qwen series of image editing Plus models further optimizes inference performance and system stability based on the initial Edit model, significantly reducing the response time for image generation and editing. It also supports returning multiple images in a single request, greatly enhancing user experience. https://bailian.console.alibabacloud.com/cn-beijing?tab=model#/model-market/detail/qwen-image-edit-plus?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.

images*array

Supports uploading 1 to 3 images for editing and fusion. The aspect ratio of the output image is based on the last image.

RequiredExample Value: ["https://static.modelstream.ai/demo/qwen/qwen-image-edit.png"]Value Range: 0 ≤ value ≤ 3

prompt*string

RequiredExample Value: Placeholder: Describe the desired content, style, and composition in detail (max 800 characters)...

negative_prompt?string

Example Value: Placeholder: Describe content you do not want to see, e.g., low resolution, worst quality...

n?number

The number of images to output. Max 6 (base edit model supports 1).

Example Value: 1

size?string

Sets the resolution of the output image, e.g., 1024*1024. If empty, automatically determined based on input.

Example Value:

Enum/Options:

Auto: 1024 * 1024 (1:1): 1024*10241536 * 1536 (1:1): 1536*1536768 * 1152 (2:3): 768*11521024 * 1536 (2:3): 1024*15361152 * 768 (3:2): 1152*7681536 * 1024 (3:2): 1536*1024960 * 1280 (3:4): 960*12801080 * 1440 (3:4): 1080*14401280 * 960 (4:3): 1280*9601440 * 1080 (4:3): 1440*1080720 * 1280 (9:16): 720*12801080 * 1920 (9:16): 1080*19201280 * 720 (16:9): 1280*7201920 * 1080 (16:9): 1920*10801344 * 576 (21:9): 1344*5762048 * 872 (21:9): 2048*872

prompt_extend?boolean

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

Example Value: true

watermark?boolean

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

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-edit-plus",
  "input": {
    "messages": [
      {
        "role": "user",
        "content": [
          {
            "image": "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250925/thtclx/input1.png"
          },
          {
            "image": "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250925/iclsnx/input2.png"
          },
          {
            "image": "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250925/gborgw/input3.png"
          },
          {
            "text": "The girl from Image 1 is wearing the black dress from Image 2 and sitting in the pose from Image 3. Keep her clothing, hairstyle, and expression unchanged, and make the action look natural and smooth."
          }
        ]
      }
    ]
  },
  "parameters": {
    "n": 2,
    "negative_prompt": "low resolution, error, worst quality, low quality, disfigured, extra fingers, or bad proportions",
    "prompt_extend": true,
    "watermark": false,
    "size": "1024*1536"
  }
}'

{
  "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-Edit-Plus (qwen-image-edit-plus)

qwen-image-edit-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.

images*array

Supports uploading 1 to 3 images for editing and fusion. The aspect ratio of the output image is based on the last image.

RequiredExample Value: ["https://static.modelstream.ai/demo/qwen/qwen-image-edit.png"]Value Range: 0 ≤ value ≤ 3

prompt*string

RequiredExample Value: Placeholder: Describe the desired content, style, and composition in detail (max 800 characters)...

negative_prompt?string

Example Value: Placeholder: Describe content you do not want to see, e.g., low resolution, worst quality...

n?number

The number of images to output. Max 6 (base edit model supports 1).

Example Value: 1

size?string

Sets the resolution of the output image, e.g., 1024*1024. If empty, automatically determined based on input.

Example Value:

Enum/Options:

prompt_extend?boolean

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

Example Value: true

watermark?boolean

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

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-edit-plus",
  "input": {
    "messages": [
      {
        "role": "user",
        "content": [
          {
            "image": "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250925/thtclx/input1.png"
          },
          {
            "image": "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250925/iclsnx/input2.png"
          },
          {
            "image": "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250925/gborgw/input3.png"
          },
          {
            "text": "The girl from Image 1 is wearing the black dress from Image 2 and sitting in the pose from Image 3. Keep her clothing, hairstyle, and expression unchanged, and make the action look natural and smooth."
          }
        ]
      }
    ]
  },
  "parameters": {
    "n": 2,
    "negative_prompt": "low resolution, error, worst quality, low quality, disfigured, extra fingers, or bad proportions",
    "prompt_extend": true,
    "watermark": false,
    "size": "1024*1536"
  }
}'

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