DocsVeo 3.1 Fast
Model
veo-3.1-fast
Lower-cost Veo tier sharing the same fields as veo-3.1, plus REFERENCE_2_VIDEO support.
Model supplement for /unified-video/quote and /unified-video/generateScope: Depends on API key scopes configured in backend
Best for
Teams that want a faster and cheaper Veo option.
Text-to-video
1-2 image first/last frame generation
Reference-to-video with 1-3 reference images
What you can send
- Required: model, prompt
- Optional: images (0-3), aspectRatio, watermark, seeds, enableTranslation, mode, projectId
- 0 images => TEXT_2_VIDEO. 1-2 images => FIRST_AND_LAST_FRAMES_2_VIDEO. 1-3 images with mode=REFERENCE_2_VIDEO => reference flow.
Field rules
aspectRatio
Supported: 16:9, 9:16, Auto.
images
Up to 2 for first/last frame mode, up to 3 for REFERENCE_2_VIDEO.
mode
Optional. TEXT_2_VIDEO, FIRST_AND_LAST_FRAMES_2_VIDEO, or REFERENCE_2_VIDEO.
watermark
Optional text watermark.
seeds
Optional integer 10000..99999.
enableTranslation
Optional boolean. Defaults to true upstream.
Pricing
Model
Points
veo-3.1-fast
17
Frontend notes
- Use the same fields as veo-3.1 except for REFERENCE_2_VIDEO support.
- Main difference is price tier.
- 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.