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Google Veo 3.1 API

Google Veo 3.1 视频生成模型,支持文生视频、首尾帧图生视频、参考图生成、音频生成及 720p、1080p、4K 输出。

Text to videoImage to videoReference to video 720p1080p4k 4s / 6s / 8s
View API documentation

Model pricing

Pricing follows the current production configuration and the billing dimensions supported by each route.

RoutePriceBilling rule
720p / 1080p 无音频 $0.1034/sec生成音频 $0.154/sec 按输出秒数与结果数
4K 无音频 $0.308/sec生成音频 $0.3608/sec 按输出秒数与结果数

Model information

Only provider-documented routes, capabilities, and limits implemented by this gateway are listed.

Text to video

veo-3.1-fast-generate-preview

Limits
Duration
4s / 6s / 8s
Image to video

veo-3.1-fast-generate-preview

Limits
Images 1–3
Duration
4s / 6s / 8s
Reference to video

veo-3.1-fast-generate-preview

Limits
Images 1–3
Duration
4s / 6s / 8s
Capability source ↗

Main parameters

Parameters come from structured model configuration; unsupported or unconfigured fields are omitted.

modelstring

Submodel ID

Default: veo-3.1-fast-generate-preview / veo-3.1-fast-generate-preview / veo-3.1-fast-generate-preview
promptstring

Google Veo 3.1 视频生成模型,支持文生视频、首尾帧图生视频、参考图生成、音频生成及 720p、1080p、4K 输出。

Default: Required
durationinteger

Output video seconds

Default: 4s / 6s / 8s
qualityenum

Current billing

Default: 720p / 1080p / 4k
aspect_ratioenum

Capability

Default: auto / 16:9 / 9:16
ninteger

Capability

Default: 1 / 2 / 3 / 4
generate_audioboolean

Capability

Default: true
image_urlsarray

Image to video: 1–3 · Reference to video: 1–3

Default: Varies by route

Capabilities and usage guidance

Key features

  • Text to video · veo-3.1-fast-generate-preview
  • Image to video · veo-3.1-fast-generate-preview
  • Reference to video · veo-3.1-fast-generate-preview
  • 720p / 1080p / 4k output
  • 4s / 6s / 8s Duration
  • Generated audio output
  • Audio-capable workflow

Limits

  • Image to video: Images 1–3
  • Reference to video: Images 1–3
  • Capability source: https://evolink.ai/zh/veo-3-1

Typical use cases

Text to video

Google Veo 3.1 Text to video API workflow.

Image to video

Google Veo 3.1 Image to video API workflow.

Reference to video

Google Veo 3.1 Reference to video API workflow.

Frequently asked questions

Which video workflows does Google Veo 3.1 support?

Text to video、Image to video、Reference to video

What video durations does Google Veo 3.1 support?

4s / 6s / 8s

Which output resolutions or sizes does Google Veo 3.1 support?

720p、1080p、4k

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