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Flux 3 Extend Video
flux-3-extend-video
Video generationby blackforestlabs
FLUX.3 is Black Forest Labs' frontier video model. This endpoint continues an existing clip beyond its final frame, generating additional footage that stays consistent with the original motion and scene.
Example
Details
- Accepts
- video
Pricing
- Price
- 25.63 cr / second
Prices in credits (1 credit = $0.01).
Data schema
Input
| Field | Type | Description |
|---|---|---|
| promptrequired | string | The text prompt describing how the video continues from the source clip's final frames. |
| duration | —enum: auto, 5, 6, 7, 8, 9… | Duration of the generated video in seconds. `auto` lets the model choose. |
| video_urlrequired | string | URL of the input video. MP4, under 50 MB and under 15 seconds. |
| resolution | stringenum: 720p, 1080p | Resolution of the generated video. |
| aspect_ratio | stringenum: auto, 21:9, 2:1, 16:9, 4:3, 1:1… | Aspect ratio of the generated video. `auto` lets the model choose. |
| generate_audio | boolean | Whether to generate audio for the video. |
| safety_tolerance | integer | The safety tolerance level for the generated video. 0 is the strictest and 4 is the most permissive. |
Output
| Field | Type | Description |
|---|---|---|
| seed | integer | The seed used for the generation. |
| video | — | The generated video. |