---
title: Aurora v1 Fast | Runware Docs
url: https://runware.ai/docs/models/creatify-aurora-v1-fast
description: Fast audio-driven avatar video generation
---
# Aurora v1 Fast

Aurora v1 Fast is an optimized variant of Aurora v1 designed for faster avatar video generation. It converts a single image and audio input into a talking-head video with synchronized lip movement and facial motion, prioritizing speed and responsiveness for rapid iteration workflows.

- **ID**: `creatify:aurora@fast`
- **Status**: live
- **Release Date**: September 10, 2025
- **Capabilities**: Image to Video, Audio to Video

## Pricing

$0.07 / second

- **480p · 1s**: `$0.07`

## Request Parameters

**API Options**

Platform-level options for task execution and delivery.

### [taskType](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-tasktype)

- **Type**: `string`
- **Required**: true
- **Value**: `videoInference`

Identifier for the type of task being performed

### [taskUUID](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-taskuuid)

- **Type**: `string`
- **Required**: true
- **Format**: `UUID v4`

UUID v4 identifier for tracking tasks and matching async responses. Must be unique per task.

### [outputType](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-outputtype)

- **Type**: `string`
- **Default**: `URL`

Video output type.

**Allowed values**: `URL`

### [outputFormat](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-outputformat)

- **Type**: `string`
- **Default**: `MP4`

Specifies the file format of the generated output. The available values depend on the task type and the specific model's capabilities.

- \`MP4\`: Widely supported video container (H.264), recommended for general use.
- \`WEBM\`: Optimized for web delivery.
- \`MOV\`: QuickTime format, common in professional workflows (Apple ecosystem).

**Allowed values**: `MP4` `WEBM` `MOV`

### [outputQuality](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-outputquality)

- **Type**: `integer`
- **Min**: `20`
- **Max**: `99`
- **Default**: `95`

Compression quality of the output. Higher values preserve quality but increase file size.

### [webhookURL](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-webhookurl)

- **Type**: `string`
- **Format**: `URI`

Specifies a webhook URL where JSON responses will be sent via HTTP POST when generation tasks complete. For batch requests with multiple results, each completed item triggers a separate webhook call as it becomes available.

**Learn more** (1 resource):

- [Webhooks](https://runware.ai/docs/platform/webhooks) (platform)

### [deliveryMethod](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-deliverymethod)

- **Type**: `string`
- **Default**: `async`

Determines how the API delivers task results.

**Allowed values**:

- `async` Returns an immediate acknowledgment with the task UUID. Poll for results using getResponse. Required for long-running tasks like video generation.

**Learn more** (1 resource):

- [Task Polling](https://runware.ai/docs/platform/task-polling) (platform)

### [uploadEndpoint](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-uploadendpoint)

- **Type**: `string`
- **Format**: `URI`

Specifies a URL where the generated content will be automatically uploaded using the HTTP PUT method. The raw binary data of the media file is sent directly as the request body. For secure uploads to cloud storage, use presigned URLs that include temporary authentication credentials.

**Common use cases:**

- **Cloud storage**: Upload directly to S3 buckets, Google Cloud Storage, or Azure Blob Storage using presigned URLs.
- **CDN integration**: Upload to content delivery networks for immediate distribution.

```text
// S3 presigned URL for secure upload
https://your-bucket.s3.amazonaws.com/generated/content.mp4?X-Amz-Signature=abc123&X-Amz-Expires=3600

// Google Cloud Storage presigned URL
https://storage.googleapis.com/your-bucket/content.jpg?X-Goog-Signature=xyz789

// Custom storage endpoint
https://storage.example.com/uploads/generated-image.jpg
```

The content data will be sent as the request body to the specified URL when generation is complete.

### [safety](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-safety)

- **Path**: `safety.checkContent`
- **Type**: `object (2 properties)`

Content safety checking configuration for video generation.

#### [checkContent](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-safety-checkcontent)

- **Path**: `safety.checkContent`
- **Type**: `boolean`
- **Default**: `false`

Enable or disable content safety checking. When enabled, defaults to `fast` mode.

#### [mode](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-safety-mode)

- **Path**: `safety.mode`
- **Type**: `string`
- **Default**: `none`

Safety checking mode for video generation.

**Allowed values**:

- `none` Disables checking.
- `fast` Checks key frames.
- `full` Checks all frames.

### [ttl](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-ttl)

- **Type**: `integer`
- **Min**: `60`

Time-to-live (TTL) in seconds for generated content. Only applies when `outputType` is `URL`.

### [includeCost](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-includecost)

- **Type**: `boolean`
- **Default**: `false`

Include task cost in the response.

### [numberResults](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-numberresults)

- **Type**: `integer`
- **Min**: `1`
- **Max**: `4`
- **Default**: `1`

Number of results to generate. Each result uses a different seed, producing variations of the same parameters.

**Inputs**

Input resources for the task (images, audio, etc). These must be nested inside the \`inputs\` object.

### [image](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-inputs-image)

- **Path**: `inputs.image`
- **Type**: `string`
- **Required**: true

Image input (UUID, URL, Data URI, or Base64).

### [audio](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-inputs-audio)

- **Path**: `inputs.audio`
- **Type**: `string`
- **Required**: true

Audio input (UUID or URL).

**Generation Parameters**

Core parameters for controlling the generated content.

### [model](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-model)

- **Type**: `string`
- **Required**: true
- **Value**: `creatify:aurora@fast`

Identifier of the model to use for generation.

**Learn more** (3 resources):

- [Text To Image: Model Selection The Foundation Of Generation](https://runware.ai/docs/guides/text-to-image#model-selection-the-foundation-of-generation) (guide)
- [Image Inpainting: Model Specialized Inpainting Models](https://runware.ai/docs/guides/image-inpainting#model-specialized-inpainting-models) (guide)
- [Image Outpainting: Other Critical Parameters](https://runware.ai/docs/guides/image-outpainting#other-critical-parameters) (guide)

### [positivePrompt](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-positiveprompt)

- **Type**: `string`
- **Min**: `2`
- **Max**: `3000`

Text prompt describing elements to include in the generated output.

**Learn more** (2 resources):

- [Text To Image: Prompts Guiding The Generation](https://runware.ai/docs/guides/text-to-image#prompts-guiding-the-generation) (guide)
- [Image Outpainting: Other Critical Parameters](https://runware.ai/docs/guides/image-outpainting#other-critical-parameters) (guide)

### [CFGScale](https://runware.ai/docs/models/creatify-aurora-v1-fast#request-cfgscale)

- **Type**: `float`
- **Min**: `0`
- **Max**: `10`
- **Step**: `0.01`
- **Default**: `1`

Guidance scale representing how closely the output will resemble the prompt. Higher values produce results more aligned with the prompt.

**Learn more** (1 resource):

- [Text To Image: Cfg Scale Balancing Creativity And Control](https://runware.ai/docs/guides/text-to-image#cfg-scale-balancing-creativity-and-control) (guide)

## Response Parameters

### [taskType](https://runware.ai/docs/models/creatify-aurora-v1-fast#response-tasktype)

- **Type**: `string`
- **Required**: true
- **Value**: `videoInference`

Type of the task.

### [taskUUID](https://runware.ai/docs/models/creatify-aurora-v1-fast#response-taskuuid)

- **Type**: `string`
- **Required**: true
- **Format**: `UUID v4`

UUID of the task.

### [videoUUID](https://runware.ai/docs/models/creatify-aurora-v1-fast#response-videouuid)

- **Type**: `string`
- **Required**: true
- **Format**: `UUID v4`

UUID of the output video.

### [videoURL](https://runware.ai/docs/models/creatify-aurora-v1-fast#response-videourl)

- **Type**: `string`
- **Format**: `URI`

URL of the output video.

### [videoBase64Data](https://runware.ai/docs/models/creatify-aurora-v1-fast#response-videobase64data)

- **Type**: `string`

Base64-encoded video data.

### [videoDataURI](https://runware.ai/docs/models/creatify-aurora-v1-fast#response-videodatauri)

- **Type**: `string`
- **Format**: `URI`

Data URI of the output video.

### [seed](https://runware.ai/docs/models/creatify-aurora-v1-fast#response-seed)

- **Type**: `integer`

The seed used for generation. If none was provided, shows the randomly generated seed.

### [NSFWContent](https://runware.ai/docs/models/creatify-aurora-v1-fast#response-nsfwcontent)

- **Type**: `boolean`

Flag indicating if NSFW content was detected.

### [cost](https://runware.ai/docs/models/creatify-aurora-v1-fast#response-cost)

- **Type**: `float`

Task cost in USD. Present when `includeCost` is set to `true` in the request.

## Examples

### Windmill Baker Storytelling Avatar (Audio to Video)

[Watch video](https://assets.runware.ai/examples/creatify-aurora-v1-fast/9897719f-b271-42f5-9bcc-c48c862856a6.mp4)

**Request**:

```json
{
  "taskType": "videoInference",
  "taskUUID": "0d8ba56d-0201-4246-b62c-b80fcd78789a",
  "model": "creatify:aurora@fast",
  "positivePrompt": "A natural speaking avatar video of a kindly village baker addressing the viewer directly, subtle head movement, accurate lip sync, relaxed blinking, soft expressive eyes, believable cheeks and jaw motion, rustic countryside bakery atmosphere, warm daylight, stable camera, realistic skin texture, cinematic but grounded, clean background separation, engaging and trustworthy presence",
  "CFGScale": 1,
  "inputs": {
    "image": "https://assets.runware.ai/assets/inputs/a0852c8b-a247-4950-b98c-39a7c15c4efb.jpg",
    "audio": "https://assets.runware.ai/assets/inputs/bf595475-f6f1-42a7-bf13-8fc0720c9288.mp3"
  }
}
```

**Response**:

```json
{
  "taskType": "videoInference",
  "taskUUID": "0d8ba56d-0201-4246-b62c-b80fcd78789a",
  "videoUUID": "349a8383-5dae-4191-979f-0e6243877d1c",
  "videoURL": "https://vm.runware.ai/video/os/a24d12/ws/5/vi/349a8383-5dae-4191-979f-0e6243877d1c.mp4",
  "cost": 0.98
}
```

---

### Brass Automaton Lecture Chamber (Audio to Video)

[Watch video](https://assets.runware.ai/examples/creatify-aurora-v1-fast/bea55c77-598f-4e1b-a8c6-c069be732a32.mp4)

**Request**:

```json
{
  "taskType": "videoInference",
  "taskUUID": "c734d6e1-a1b2-45a5-9deb-aec768e1e1c3",
  "model": "creatify:aurora@fast",
  "positivePrompt": "A warmly lit mechanical scholar delivering a thoughtful lecture to camera, subtle head motion, natural blinking, precise lip sync, polished brass details, porcelain facial plates, amber glass eyes, refined Victorian-inspired attire, scholarly atmosphere, shelves of scientific instruments softly blurred in the background, cinematic framing, expressive but believable facial animation",
  "CFGScale": 1,
  "inputs": {
    "image": "https://assets.runware.ai/assets/inputs/3fa727ee-cb24-4a26-a3ae-8f08c2a5d32a.jpg",
    "audio": "https://assets.runware.ai/assets/inputs/bf499d82-2c5a-455d-938f-f4e0216d10cf.mp3"
  }
}
```

**Response**:

```json
{
  "taskType": "videoInference",
  "taskUUID": "c734d6e1-a1b2-45a5-9deb-aec768e1e1c3",
  "videoUUID": "7aaf6f1b-dc63-447f-9002-c4f71509179d",
  "videoURL": "https://vm.runware.ai/video/os/a22d05/ws/5/vi/7aaf6f1b-dc63-447f-9002-c4f71509179d.mp4",
  "cost": 0.77
}
```

---

### Harbor Botanist Video Diary (Audio to Video)

[Watch video](https://assets.runware.ai/examples/creatify-aurora-v1-fast/8e34d393-0cbc-438a-b59c-ec1482422af2.mp4)

**Request**:

```json
{
  "taskType": "videoInference",
  "taskUUID": "cf245b6a-1815-4d86-8248-31bab664c505",
  "model": "creatify:aurora@fast",
  "positivePrompt": "A believable speaking avatar video of a coastal greenhouse botanist addressing the camera with calm enthusiasm, accurate lip sync, subtle head movement, natural blinking, relaxed shoulders, gentle expression changes, soft maritime daylight through glass panes, detailed plants in the background, realistic skin texture, grounded documentary feel",
  "CFGScale": 1.6,
  "inputs": {
    "image": "https://assets.runware.ai/assets/inputs/85f73fe7-c574-448a-b47c-0d9f731ad437.jpg",
    "audio": "https://assets.runware.ai/assets/inputs/a220d09f-89cb-4707-974a-8ad370c750b0.mp3"
  }
}
```

**Response**:

```json
{
  "taskType": "videoInference",
  "taskUUID": "cf245b6a-1815-4d86-8248-31bab664c505",
  "videoUUID": "a16ce5a6-4915-4d51-b516-fa0145c94015",
  "videoURL": "https://vm.runware.ai/video/os/a22d05/ws/5/vi/a16ce5a6-4915-4d51-b516-fa0145c94015.mp4",
  "cost": 1.26
}
```