# Seedance vs Veo 3 Fast

> Seedance 2.5 vs Veo 3 Fast on eroq: 30-second seeded clips with end-frame control against fixed 8-second clips that arrive with ambience, effects and dialogue. Prices and plan access compared.

Seedance 2.5 is the control engine: up to 30 seconds, seeds, first/last frame, 1080p. Veo 3 Fast is the only engine that renders sound — room tone, effects, a line of dialogue — in fixed 8-second clips. The choice is usually made by whether the clip will be watched with the sound on.

| Criterion | Seedance 2.5 | Veo 3 Fast |
| --- | --- | --- |
| Clip length | 4–30 s | Fixed 8 s |
| Resolution | up to 1080p | 720p · 1080p |
| Native audio | No | Yes — ambience, effects, dialogue |
| Seed | Yes | No |
| First/last frame | Yes | No |
| Image-to-video | Yes | Yes |
| Price | 180 cr / 5 s · 340 cr / 10 s | 256 cr / 8 s |
| Plan access | Creator and up | Creator and up |
| Content policy | SFW only | SFW only |

## Verdict

- Veo 3 Fast for ads, shorts and ambient loops that ship with their own sound and fit an 8-second beat.
- Seedance 2.5 for narrative scenes, long takes, transitions between exact frames, and anything you will revise.
- For voice-over rather than in-shot sound, either engine plus the voice studio is cheaper than Veo's dialogue.

_Engine facts as served on eroq, September 2026. Prices in credits; 1 credit ≈ 1¢ at the entry pack._

## FAQ

### Does Seedance generate audio?

No. On eroq, Veo 3 Fast is the only engine that renders a soundtrack; add narration from the voice studio otherwise.

### Which is cheaper per second?

Seedance 2.5 at 180 credits per 5 seconds is about 36 per second; Veo 3 Fast at 256 per 8 seconds is 32 — with sound included.

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