Alibaba modelsimage generation api

alibaba/qwen-image-2/pro/edit

Name: Qwen Image 2 Pro Edit
Author: Alibaba

Alibaba Qwen Image 2 Pro image editing model with multi-reference support and configurable output format.

Input

Prompt(string)

The editing instruction describing what changes to make.

Image URL or upload(array)

Upload

PNG, JPEG, WebP, or GIF · 20 MiB maximum each

List of input image URLs for editing. Up to 4 images.

Aspect Ratio(string)

The aspect ratio of the generated image. Allowed values: 21:9, 16:9, 4:3, 1:1, 3:4, 9:16, 9:21.

Seed(integer)

Random seed for reproducible results.

Output Format(string)

The format of the generated image. Allowed values: jpeg, png.

Idle

Example output — click Run to generate your own

Production endpoint

Send your first request

OpenAI-compatible endpoint with unified authentication and usage tracking.

POSThttps://api.sandbase.ai/v1/run

Model IDalibaba/qwen-image-2/pro/edit

Input Schema

5 parameters · 2 required · 3 optional

Parameter	Type	Required	Description
`images`	string[]	Required	List of input image URLs for editing. Up to 4 images.
`prompt`	string	Required	The editing instruction describing what changes to make. · Min length: 1 · Max length: 10000 · Default: ""
`seed`	integer	Optional	Random seed for reproducible results.
`aspect_ratio`	string	Optional	The aspect ratio of the generated image. · Options: 21:9, 16:9, 4:3, 1:1, 3:4, 9:16, 9:21 21:916:94:31:13:49:169:21
`output_format`	string	Optional	The format of the generated image. · Options: jpeg, png · Default: "jpeg" jpegpng

Output Schema

Field	Type	Description
`id`	string	Unique identifier for the generation task
`status`	string	Task status: pending, running, completed, failed, timeout
`model`	string	Model used for the generation
`outputs`	array	Array of output items
`outputs[].url`	string	URL of the generated artifact
`outputs[].content_type`	string	MIME type (e.g. image/png, video/mp4)
`error`	object \| null	Error details if failed, null on success
`error.type`	string	Machine-readable error type code
`error.message`	string	Human-readable error description

Async Workflow

This model uses asynchronous execution. Submit a request and poll for the result.

Submit — POST to /v1/run, receive an id
Poll — GET /v1/run/{id} until status is completed, failed, or timeout
Retrieve — Read outputs from the completed response

Code Examples

Ready-to-run snippets

# Step 1: Submit
curl -X POST https://api.sandbase.ai/v1/run \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
  "model": "alibaba/qwen-image-2/pro/edit",
  "images": [
    "https://cdn.sanity.io/images/2gpum2i6/production/60c0bd0873dce1991931829d93ca1270dd42cb0c-1680x952.png"
  ],
  "prompt": "a beautiful sunset over mountains",
  "output_format": "jpeg"
}'

# Step 2: Poll result (replace <id>)
curl https://api.sandbase.ai/v1/run/<id> \
  -H "Authorization: Bearer YOUR_API_KEY"

← Back to Qwen Image 2 Pro Edit

API README

Qwen Image 2 Pro Edit

Qwen Image 2 Pro Edit is the Image 2 route for instruction-driven image revision. It uses Qwen’s combined visual-semantic and appearance modeling to interpret subjects, relationships, typography, spatial structure, and surface detail as a connected composition, giving this exact route a clearer production purpose than a generic image request.

Use Qwen Image 2 Pro Edit when the project specifically requires a controlled change to supplied imagery. State the creative goal, then define composition, viewpoint, wording, materials, lighting, and finish; for edits, explicitly separate the intended transformation from identity, layout, or regions that must remain stable.

Highlights

Image 2 Semantic content editing. Changes object identity, scene meaning, viewpoint, or style through natural language.
Image 2 Appearance-level revision. Modifies local color, texture, text, or material while preserving surrounding context.
Image 2 Chinese and English text editing. Adds, removes, or replaces bilingual wording in designed imagery.
Image 2 Pro preservation quality. Uses the Pro path for source-led edits where identity, layout, typography, and fine detail need stronger retention.

Pricing

Configuration	Billing unit	Price
Base generation	Per request	$0.07

When to Use

✅ Good fit	❌ Consider alternatives
The project needs an existing image needs a controlled revision	The intended task belongs to a different media workflow
The available inputs match every required local field	Required source material or usage permission is unavailable
Creative direction can identify subject, style, and delivery	The output must be deterministic at pixel or waveform level
The supported route controls fit the final placement	Delivery requires unsupported formats or dimensions
An asynchronous generated result fits production	A live or frame-synchronous response is mandatory

Prompt Guide

Write the request as a production brief. Identify the subject or source, state the intended result, describe composition and visual or vocal character, then list exact preservation and delivery constraints. For edits, explicitly separate what must change from what must remain unchanged.

{
  "prompt": "",
  "images": [
    "https://example.com/reference.jpg"
  ],
  "seed": 1,
  "aspect_ratio": "21:9",
  "output_format": "jpeg"
}

Technical Specs

Spec	Value
Model ID	`alibaba/qwen-image-2/pro/edit`
Input fields	`seed` (integer)<br>`images` (array)<br>`prompt` (string)<br>`aspect_ratio` (string; `21:9`, `16:9`, `4:3`, `1:1`, `3:4`, `9:16`, `9:21`)<br>`output_format` (string; `jpeg`, `png`)
Required input	`prompt`, `images`
Output fields	`url`, `content_type`
Execution	Asynchronous job

Related Models

alibaba/qwen-image-2
alibaba/qwen-image-2/edit
alibaba/qwen-image-2/pro