Veo 3.1 Fast vs Vidu Q3 Pro
Which one to choose
Pick Veo 3.1 Fast to iterate on shots quickly while keeping Veo's reference images, frame control, audio and video extension; move to standard Veo 3.1 for the final take. Pick Vidu Q3 Pro when a single prompt should produce a multi-shot result with smart scene cuts and sound, or when you want a wider range of resolutions starting below 720p. Veo Fast is for drafting; Vidu Q3 Pro is for multi-shot output.
Pricing comparison
| Veo 3.1 Fast | Vidu Q3 Pro | |
|---|---|---|
| Model maker | Shengshu | |
| Delivery availability | Available | Available |
| Context window | - | - |
| Max output | - | - |
| Official price | $0.10-$0.30per second | $0.045-$0.12per second |
| TokenLab price | $0.07-$0.21per second | — |
| Model performance | Collecting data | Collecting data |
| Capabilities | Image to VideoReference to VideoStart-end to videoText to VideoVideo extension | Image to VideoStart-end to videoText to Video |
Choose Veo 3.1 Fast when
- You test several variations of one shot before choosing a take to finish.
- You hold a character or product steady with reference images during drafts.
- You may extend a promising clip instead of regenerating it.
Choose Vidu Q3 Pro when
- You want one prompt to produce a sequence with scene cuts, not one continuous shot.
- You plan an opening composition and a closing frame and want sound generated with the transition.
- You need lower resolutions available for light previews.
How they differ
| Aspect | Veo 3.1 Fast | Vidu Q3 Pro |
|---|---|---|
| Role | The quick iteration tier of Veo 3.1, meant for drafts and comparing takes. | Shengshu's most flexible Q3 model, covering text, image and frame-pair generation. |
| Reference inputs | Reference images, plus image, text and first and last frame. | Text, image and start-to-end frame; reference input is covered by other Q3 variants. |
| Multi-shot | Generates a clip per request, extended when a sequence is needed. | Smart scene cuts, per Vidu's model map, give multi-shot results from one prompt. |
| Extension | Video extension continues a clip, only at 720p. | No extension listed. |
| Resolution | 720p or 1080p, vertical or horizontal. | Range from 540p up to 1080p. |
Summary
- Veo 3.1 Fast: $0.07-$0.21 per second; Vidu Q3 Pro: $0.045-$0.12 per second. Rates depend on the billing unit, specification, and usage. Compare matching conditions in the model's detailed pricing; a single rate does not determine the total cost.
FAQ
Is Veo 3.1 Fast better than Vidu Q3 Pro?
Neither wins across the board. Veo 3.1 Fast is better for fast iteration with references and extension. Vidu Q3 Pro is better when you want scene cuts and multi-shot output from one prompt.
Do both generate audio?
Yes. Veo 3.1 Fast returns audio with the video, and Vidu documents audio and video output together for Q3 Pro. Judge pacing against the sound in early takes, and expect to iterate on the prompt for either.
Which is better for final delivery?
Veo 3.1 Fast is a drafting tier, so Google's standard Veo 3.1 suits the final render. Vidu Q3 Pro is Shengshu's flexible Q3 model and can be used for finals, with Q3 Turbo as the quicker draft route.
Can I use both in one pipeline?
Yes, for example drafting a shot in Veo 3.1 Fast and building a multi-shot scene in Vidu Q3 Pro. They use different request formats, so each needs its own client code.
Which is cheaper, Veo 3.1 Fast or Vidu Q3 Pro?
Veo 3.1 Fast: $0.07-$0.21 per second; Vidu Q3 Pro: $0.045-$0.12 per second. Rates depend on the billing unit, specification, and usage. Compare matching conditions in the model's detailed pricing; a single rate does not determine the total cost.
What are the key differences between Veo 3.1 Fast and Vidu Q3 Pro?
Veo 3.1 Fast: Reference to Video, Video extension
Sources
Reviewed Oct 2, 2026