BLACKFORESTLABS FLUX 3 Extend Video by BLACK-FOREST-LABS
black-forest-labs/flux-3/extend-videoExtend a video, continuing from the source clip final frames, using FLUX 3.
Set up the model and run your first generation.
Ctrl ⏎Examples
Runs published with this model. Load one into the playground and change whatever you like.
Clouds slowly cover the character.
aspect_ratio: 9:16resolution: 720pduration: 5generate_audio: truesafety_tolerance: 2video_url: https://static.atlasclou
Providers
Where this model can run, priced for your account. Auto routing picks the top row and moves down it if a provider fails.
| Provider | Price | Speed | Completed |
|---|---|---|---|
| fal.aiLowest price | not verified | — | — |
| Atlas Cloud | not verified | — | — |
Speed and reliability appear once this platform has enough recent runs on a provider.
Flux Dev$0.012Flux Kontext Dev$0.025Flux Kontext Dev Lora$0.030Flux Schnell$0.003BLACKFORESTLABS FLUX 3 First & Last Frame to Video$0.850BLACKFORESTLABS FLUX 3 Image-to-Video$0.850BLACKFORESTLABS FLUX 3 Keyframes to Video$0.850BLACKFORESTLABS FLUX 3 Text-to-Video$0.850
Questions
- $2.050 per generation on ElliSekiz — the provider's own price, billed 1:1 from a prepaid USD balance with no markup and no subscription. Failed generations are free.
- fal.ai, Atlas Cloud. Requests route to the cheapest available provider automatically, or you can pin one per request or per model.
- POST to https://ellisekiz.ai/api/v1/generations with "model": "black-forest-labs-flux-3-extend-video" and your prompt, authenticated with an ElliSekiz API token. The API tab on this page has the full request for this model, including its own parameters.
- video_url, aspect_ratio, resolution, duration, generate_audio, safety_tolerance, seed — each one is in the playground form on this page and in the API example.
$2.050 per generation (≈5s clip) · billed 1:1 at provider cost · compare providers