About Veo 3.1 Fast
Veo 3.1 Fast is Google's faster, lower-cost Veo model for generating short, high-fidelity videos from a text prompt or a first-frame image, with native synchronized audio.
It supports natural motion, realistic scene animation, and controllable output settings such as duration, aspect ratio, and resolution (including 4k).
Ready to build with Veo 3.1 Fast?
Try Veo 3.1 Fast in the Workbench to prompt it, compare outputs, and iterate on prompts without writing any code. When you're ready to ship, call the same model from our API and build your own apps on top of it.
curl -sSf -X POST https://hub.oxen.ai/api/ai/videos/generate \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $OXEN_API_KEY" \
-d '{
"model": "google-veo-3-1-fast",
"prompt": "A dog digging on the beach",
"aspect_ratio": "16:9",
"resolution": "720p",
"duration": 8
}'Request parameters
Every field Veo 3.1 Fast accepts in the request body. See the API reference for response formats.
POST
https://hub.oxen.ai/api/ai/videos/generate| Field | Type | Required | Default | Description |
|---|---|---|---|---|
prompt | string | Yes | — | Text description of the video to generate, or how to animate the input image. |
input_image | stringuri | No | — | Optional first-frame image to animate (image-to-video). Leave empty to generate from the prompt alone. |
aspect_ratio | string | No | "16:9" | 16:99:16 |
resolution | string | No | "720p" | 720p1080p4k |
duration | integer | No | 8 | Range: 4 – 8 |
seed | integer | No | — | Random seed for deterministic generation. |