GooglefastText → VideoImage → Video

Veo 3.1 Fast

google/veo-3.1-fast

Estimated

$0.45 / 5s @ 720p

A faster version of Veo 3.1 optimized for lower latency while maintaining high-quality video and audio output.

Audio 720p 1080p Fast

Image input must be base64-encoded (no data-URI prefix).

Input schema

The exact fields accepted by this model. Values are validated before a generation starts.

promptstringrequired

Text prompt describing the video.

image_inputimage

Base64-encoded reference image for image-to-video.

durationstringrequireddefault: "6s"

Clip length.

4s · 4 seconds6s · 6 seconds8s · 8 seconds

aspect_ratiostringrequireddefault: "16:9"

Aspect ratio of the output.

16:99:161:1

resolutionstringrequireddefault: "720p"

Output resolution.

720p · 720p HD1080p · 1080p Full HD

generate_audiobooleanrequireddefault: true

Generates synchronized audio.

{
  "duration": "6s",
  "aspect_ratio": "16:9",
  "resolution": "720p",
  "generate_audio": true
}

Veo 3.1

Hailuo 2.3