HappyHorse 1.1 vs Seedance 2.5
Both HappyHorse 1.1 and Seedance 2.5 are available on Scenes AI, and neither has a published quality score — so this page will not tell you which looks better. It compares the 6 specifications they actually differ on, starting with price and scene length. Every figure below comes from the same catalogue that bills your account.
What actually differs
These two match on most of the 10 specifications below; they differ on 6.
- HappyHorse 1.1
- Top-ranked motion and identity · 9 reference images · native audio with multilingual lip-sync · up to 15s
- Seedance 2.5
- Longest single shot — up to 30s unbroken · 30 reference images · 1080p
- HappyHorse 1.1 starts at $0.15 per second against $0.18 for Seedance 2.5 — 1.25x the rate for the same second of finished video.
- Seedance 2.5 holds a single unbroken shot for 30s against 15s on HappyHorse 1.1, so a beat longer than 15s has to be cut across two clips on HappyHorse 1.1.
- In-video audio is always on on HappyHorse 1.1 and optional on Seedance 2.5.
- Seedance 2.5 accepts 30 reference images per scene against 9 on HappyHorse 1.1 — that is how many characters and locations you can pin at once.
- HappyHorse 1.1 offers 9 aspect ratios against 7 on Seedance 2.5 (1:1, 4:3, 3:4, 16:9, 9:16, 21:9, adaptive).
- Seedance 2.5 can carry the last frame of one scene into the next as a seam; HappyHorse 1.1 cannot, so transitions between its scenes are cuts.
Side by side
Specifications and rates, straight from the live catalogue.
| Spec | HappyHorse 1.1 | Seedance 2.5 |
|---|---|---|
| Made by | Alibaba | ByteDance |
| Quality score | — | — |
| Billing | Per second of output | Per second of output |
| From (per second) | $0.15 | $0.18 |
| Longest scene | 15s | 30s |
| Aspect ratios | 9 (16:9, 9:16, 1:1, 4:3, 3:4, 4:5, 5:4, 9:21, 21:9) | 7 (1:1, 4:3, 3:4, 16:9, 9:16, 21:9, adaptive) |
| Resolutions | 720p, 1080p | 480p, 720p, 1080p |
| Reference images | 9 | 30 |
| Scene-to-scene morph | No | Yes |
| In-video audio | Always on | Optional |
Which should you pick?
HappyHorse 1.1 is the cheaper of the two at 1.25x less per second, which makes it the one to draft on whichever you eventually publish with. Beyond rate, pick on the differences above rather than on a quality ranking we have not measured for either engine. Because Scenes AI shows a scrubbable preview before any clips are bought, you can settle the structure cheaply and commit once.
Price your own video with either engine on the pricing page, or read the full specs for HappyHorse 1.1 and Seedance 2.5.
Related
- HappyHorse 1.1 specsTop-ranked motion and identity · 9 reference images · native audio with multilingual lip-sync · up to 15s
- Seedance 2.5 specsLongest single shot — up to 30s unbroken · 30 reference images · 1080p
- All supported modelsEvery video, image and music engine available.
- Pricing and calculatorPrice a whole video on either engine.
FAQ
Common questions
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