veo_3_1-fl

Video

Veo 3.1 image-to-video (first/last frame).

POST /v1/videos

Spec	Detail
Modes	img→video (first/last frame)
Size	16:9 or 9:16, pixels from tier; e.g. 1280x720 / 720x1280
Seconds	fixed 8
Refs	required 1–2 (first + optional last)
Billing	by tier (lite/720p/1080p)

Model notes

Requires 1–2 reference images: the first is the start frame, the second (optional) the end frame.

Duration fixed at 8 seconds; tier (lite / 720p / 1080p) sets resolution and billing.

Request example

{
  "model": "veo_3_1-fl",
  "prompt": "smooth morph between the two frames",
  "tier": "1080p",
  "reference_images": ["https://.../first.png", "https://.../last.png"]
}