DocsVeo 3.1
Model
veo-3.1
Higher-quality Veo tier sharing the same fields as the fast variant.
Model supplement for /unified-video/quote and /unified-video/generateScope: Depends on API key scopes configured in backend
Best for
Teams that want the premium Veo option.
Text-to-video
1-2 image first/last frame generation
Fixed premium tier
What you can send
- Required: model, prompt
- Optional: images (0-2), aspectRatio, watermark, seeds, enableTranslation, projectId
- 0 images => TEXT_2_VIDEO. 1-2 images => FIRST_AND_LAST_FRAMES_2_VIDEO. REFERENCE_2_VIDEO is only available on veo-3.1-fast.
Field rules
aspectRatio
Supported: 16:9, 9:16, Auto. Auto is auto-cropped from the input image.
images
Up to 2 images for first/last frame mode.
watermark
Optional text watermark.
seeds
Optional integer 10000..99999.
enableTranslation
Optional boolean. Defaults to true upstream.
Pricing
Model
Points
veo-3.1
125
Frontend notes
- Do not expose REFERENCE_2_VIDEO on this model (it requires veo-3.1-fast).
- Treat images as optional first/last frame guidance.
- Use callback as the main completion flow.
Ready to test with your own key?
Create a general API key in Settings, then come back here to copy a request example.