Veo 3.1 Fast
Lower-latency, lower-cost variant of Veo 3.1 with the same feature surface: native audio, 4K support, up to three reference images, first/last frame and video extension.
- Up to
- 8 seconds
- Resolution
- 4K
- Aspect ratios
- 16:9, 9:16
- Weights
- Not released
- API
- Yes
- Commercial use
- Not established
Model ID veo-3.1-fast-generate-preview.
The research notes for this model record other terms but do not state a commercial-use position, and no licence page was retrieved, so it is not established here. Check the vendor's own terms.
- Output is watermarked. SynthID watermarking; 2-day server-side retention; Preview status
Specification
- What it takes in
- text, image, video
- What it makes
- video, audio
- Maximum duration
- 8 seconds
- Maximum resolution
- 4K
- Aspect ratios
- 16:9, 9:16
- Controls
- image-to-video, keyframes, reference-character-consistency, extend
- Weights
- Not released
- API
- Yes
- Pricing
- Gemini API priced per second of output: $0.10/sec at 720p, $0.12/sec at 1080p, $0.30/sec at 4K
- Released or updated
- 2025-10
Strengths
- Roughly a quarter the per-second cost of standard Veo 3.1 at 720p
- Retains 4K, reference images and extension
- Native audio included
Weaknesses
- Lower fidelity than standard Veo 3.1
- Same 8-second cap and 16:9 / 9:16 only
- Preview status
Best for
- high-volume generation
- iteration and previz
- cost-sensitive social video
Where the sources disagree
Recorded rather than resolved. Picking the tidier number would hide the fact that the vendor's own pages do not agree.
- Third-party pricing pages list Veo 3.1 Fast at $0.15/sec at 720p; Google's pricing page lists $0.10/sec - https://ai.google.dev/gemini-api/docs/pricing vs https://www.aifreeapi.com/en/posts/veo-3-1-pricing
What to understand before using it
Explainers naming the mechanisms this model's own documentation mentions.
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See it from the vendor
Shotcraft hosts no sample output. Judging a model means watching its own showreel with your own eyes, and a clip re-hosted here would be a clip we chose.
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