Vidu Q2 Pro Extend Video
Playground
Try it on WavespeedAI!Vidu Q2 Pro Extend Video seamlessly extends existing videos by 1-7 seconds with high-quality motion and scene continuity. Supports optional end-frame image guidance for precise control. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
Features
Vidu Q2 Pro Video Extend
Vidu Q2 Pro Video Extend seamlessly extends your videos by generating additional frames that naturally continue the motion and narrative. Upload a video, optionally provide a guidance image for the ending, and let AI extend your content with smooth, coherent continuation.
Why Choose This?
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Seamless continuation AI analyzes motion patterns and scene context to generate frames that flow naturally from your original video.
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Guided extension Optionally upload an end-frame image to steer where the video should go.
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Prompt control Add text descriptions to guide the extended content’s direction and style.
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Flexible duration Extend videos by 1 to 5 seconds at a time.
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Multiple resolutions Output in 540p, 720p, or 1080p to match your quality needs.
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Pro-tier quality Q2 Pro delivers enhanced motion coherence and detail preservation.
Parameters
| Parameter | Required | Description |
|---|---|---|
| video | Yes | Source video to extend |
| image | No | End-frame guidance image |
| prompt | No | Text description to guide extension direction |
| duration | No | Extension length: 1–7 seconds |
| resolution | No | Output resolution: 540p, 720p, or 1080p |
How to Use
- Upload your video — the source video you want to extend.
- Add guidance image (optional) — provide an end-frame to steer the extension.
- Write a prompt (optional) — describe what should happen in the extended portion.
- Set duration — choose how many seconds to extend (1–7).
- Select resolution — 540p, 720p, or 1080p.
- Run — generate and download your extended video.
Pricing
| Duration | 540p | 720p | 1080p |
|---|---|---|---|
| 1 s | $0.04 | $0.075 | $0.275 |
| 2 s | $0.05 | $0.125 | $0.35 |
| 3 s | $0.075 | $0.175 | $0.425 |
| 4 s | $0.10 | $0.225 | $0.50 |
| 5 s | $0.125 | $0.275 | $0.575 |
| 6 s | $0.15 | $0.325 | $0.65 |
| 7 s | $0.175 | $0.375 | $0.725 |
Best Use Cases
- Extend short clips — Add more runtime to clips that ended too soon.
- Smooth transitions — Generate bridge content between scenes.
- Loop creation — Extend videos for seamless looping content.
- Creative exploration — See where AI takes your video next.
- Content padding — Reach minimum duration requirements for platforms.
Pro Tips
- Higher quality source videos produce better extensions.
- Use the guidance image to control the endpoint of your extension.
- Prompts help when you want specific actions or elements in the extended portion.
- For longer extensions, run multiple passes (extend, then extend again).
- Match resolution to your source video for best consistency.
Notes
- Video is the only required field.
- Maximum extension: 7 seconds per run.
- For longer extensions, process in multiple passes.
- Ensure uploaded file URLs are publicly accessible.
Related Models
- Vidu Q2 Turbo Video Extend — Faster, more affordable video extension.
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/vidu/q2-pro/extend-video" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
"duration": 5,
"resolution": "720p"
}'
# Get the result
curl --location --request GET "https://api.wavespeed.ai/api/v3/predictions/${requestId}/result" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}"
Parameters
Task Submission Parameters
Request Parameters
| Parameter | Type | Required | Default | Range | Description |
|---|---|---|---|---|---|
| video | string | Yes | - | The video's duration cannot be less than 4 seconds and cannot exceed 1 minute. | |
| image | string | No | - | The model will use the image passed in this parameter as the final frame to extend the video.The aspect ratio of the images must be less than 1:4 or 4:1 | |
| prompt | string | No | - | The positive prompt for the generation. | |
| duration | number | No | 5 | 1 ~ 7 | Extended duration. |
| resolution | string | No | 720p | 540p, 720p, 1080p | The resolution of the generated media. |
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 |