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Ltx 2.5 Audio to Video Fast
ltx-2.5-audio-to-video-fast
Video generationby lightricks
LTX-2.5 is Lightricks' open-source audio-video model. This endpoint generates video timed to a supplied audio clip in a speed-optimized mode — useful for music-driven content, dialogue-led shorts, and ads keyed to a track.
Example
Details
- Accepts
- audio
Pricing
- Price
- 0.021 cr / second
Prices in credits (1 credit = $0.01).
Data schema
Input
| Field | Type | Description |
|---|---|---|
| prompt | — | Text description of how the video should be generated. Required if image_url is not provided. When image_url is provided, this describes how the image should be animated. |
| audio_urlrequired | string | URL of the audio file to generate a video from. Duration must be between 2 and 20 seconds. Must be publicly accessible or base64 data URI. |
| image_url | — | URL of an image to use as the first frame of the video. If not provided, prompt is required. |
| aspect_ratio | stringenum: auto, 16:9, 9:16 | The aspect ratio of the generated video. If 'auto', the aspect ratio will be determined automatically based on the input image, or defaults to 16:9 if no image is provided. |
| guidance_scale | — | Guidance scale for video generation. Higher values make the output more closely follow the prompt. Defaults to 5 for text-to-video, or 9 when providing an image. |
Output
| Field | Type | Description |
|---|---|---|
| video | — | The generated video file |