Qwen Image 2.0 Text To Image
Playground
Try it on WavespeedAI!Qwen Image 2.0 is an advanced text-to-image model with enhanced image quality and improved prompt understanding. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
Features
Qwen Image 2.0 Text-to-Image
Qwen Image 2.0 is Alibaba’s advanced text-to-image model that generates high-quality images from detailed text descriptions. With exceptional prompt following, flexible aspect ratios, and custom resolution support, it excels at rendering complex scenes with fine details like hair, accessories, and textures.
Why Choose This?
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Strong prompt adherence Excels at following detailed, complex prompts with multiple elements and attributes.
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Fine detail rendering Excellent at rendering intricate details like hair textures, jewelry, and clothing accessories.
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Flexible aspect ratios Multiple presets including 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, and 2:3.
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Custom resolution Adjustable width and height from 256 to 1536 pixels.
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Prompt Enhancer Built-in tool to automatically improve your descriptions.
Parameters
| Parameter | Required | Description |
|---|---|---|
| prompt | Yes | Text description of the desired image |
| size | No | Aspect ratio preset: 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3 |
| width | No | Custom width in pixels (range: 256–1536) |
| height | No | Custom height in pixels (range: 256–1536) |
| seed | No | Random seed for reproducibility (-1 for random) |
How to Use
- Write your prompt — describe the image in detail, including specific attributes, styles, and elements.
- Choose size — select a preset aspect ratio or customize width/height.
- Use Prompt Enhancer (optional) — click to automatically refine your description.
- Set seed (optional) — for reproducible results.
- Run — submit and download your generated image.
Pricing
| Output | Cost |
|---|---|
| Per image | $0.03 |
Best Use Cases
- Detailed Character Art — Generate characters with specific attributes like hair styles, clothing, and accessories.
- Portrait Photography — Create photorealistic portraits with fine details.
- Fashion & Style — Visualize outfits, hairstyles, and jewelry with precision.
- Concept Art — Render complex scenes with multiple elements.
- Cultural & Artistic — Generate images with specific cultural elements and decorations.
Pro Tips
- Use highly detailed prompts — the model excels at following complex descriptions with multiple attributes.
- Describe specific details like “waist-length loc’d hair,” “gold thread,” “cowrie shells,” or “blue beads” for precise rendering.
- Include motion and pose descriptions for dynamic images (e.g., “caught mid-spin in a dance”).
- Match aspect ratio to your content: 1:1 for portraits, 16:9 for landscapes, 9:16 for full-body shots.
- Use the same seed to reproduce or iterate on specific results.
Notes
- Prompt is the only required field.
- Resolution range: 256–1536 pixels for both width and height.
- Default size is 1024×1024 (1:1).
- Ensure your prompts comply with content guidelines.
Related Models
- Qwen Image 2.0 Pro Text-to-Image — Pro tier with enhanced quality.
- Qwen Image Edit Plus — Image editing with text instructions.
- Seedream V5.0 Lite — ByteDance’s lightweight text-to-image model.
Authentication
For authentication details, please refer to the Authentication Guide.
API Endpoints
Submit Task & Query Result
# Submit the task
curl --location --request POST "https://api.wavespeed.ai/api/v3/wavespeed-ai/qwen-image-2.0/text-to-image" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
"size": "1024*1024",
"seed": -1
}'
# Get the result
curl --location --request GET "https://api.wavespeed.ai/api/v3/predictions/${requestId}/result" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}"
Parameters
Task Submission Parameters
Request Parameters
| Parameter | Type | Required | Default | Range | Description |
|---|---|---|---|---|---|
| prompt | string | Yes | - | Text prompt describing the desired image, supports Chinese and English (max 800 characters) | |
| size | string | No | 1024*1024 | 256 ~ 1536 per dimension | Image dimensions in width*height format (e.g., 1024*1024, 1280*720) |
| seed | integer | No | -1 | -1 ~ 2147483647 | Random seed for reproducibility (-1 for random, 0-2147483647 for specific seed) |
Response Parameters
| Parameter | Type | Description |
|---|---|---|
| code | integer | HTTP status code (e.g., 200 for success) |
| message | string | Status message (e.g., “success”) |
| data.id | string | Unique identifier for the prediction, Task Id |
| data.model | string | Model ID used for the prediction |
| data.outputs | array | Array of URLs to the generated content (empty when status is not completed) |
| data.urls | object | Object containing related API endpoints |
| data.urls.get | string | URL to retrieve the prediction result |
| data.has_nsfw_contents | array | Array of boolean values indicating NSFW detection for each output |
| data.status | string | Status of the task: created, processing, completed, or failed |
| data.created_at | string | ISO timestamp of when the request was created (e.g., “2023-04-01T12:34:56.789Z”) |
| data.error | string | Error message (empty if no error occurred) |
| data.timings | object | Object containing timing details |
| data.timings.inference | integer | Inference time in milliseconds |
Result Request Parameters
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
| id | string | Yes | - | Task ID |
Result Response Parameters
| Parameter | Type | Description |
|---|---|---|
| code | integer | HTTP status code (e.g., 200 for success) |
| message | string | Status message (e.g., “success”) |
| data | object | The prediction data object containing all details |
| data.id | string | Unique identifier for the prediction, the ID of the prediction to get |
| data.model | string | Model ID used for the prediction |
| data.outputs | string | Array of URLs to the generated content (empty when status is not completed). |
| data.urls | object | Object containing related API endpoints |
| data.urls.get | string | URL to retrieve the prediction result |
| data.status | string | Status of the task: created, processing, completed, or failed |
| data.created_at | string | ISO timestamp of when the request was created (e.g., “2023-04-01T12:34:56.789Z”) |
| data.error | string | Error message (empty if no error occurred) |
| data.timings | object | Object containing timing details |
| data.timings.inference | integer | Inference time in milliseconds |