No such language.
Lucy accepts a significantly longer clip, but works at only one resolution. HappyHorse accepts a shorter clip, but offers a higher resolution and can keep the original sound. Long footage to restyle — Lucy. A short shot that has to stay clean and with sound — HappyHorse. The numbers are in the table.
The price in credits is per SECOND of video and is shown on the “Generate” button before every run. The “Five seconds cost” row below is the same price multiplied by five.
| What | Lucy | HappyHorse |
|---|---|---|
| Model variants on our platform | 2 | 1 |
| What it needs as input | video | video |
| Price in credits per second | 20–201 | 562 |
| Five seconds cost | 100 credits | 2810 credits |
| Longest clip at once | 60 sec | 15 sec |
| Resolutions to choose from | 720p | 720p, 1080p |
| Sound from the model itself | ✗ | ✗ |
| Negative description (“without…”) | ✗ | ✗ |
| Longest description | 1500 characters | 2500 characters |
| Cheapest variant | Lucy Restyle | HappyHorse Edit |
| Brand | Variant | Credits per second |
|---|---|---|
| Lucy | Lucy Restyle | 20 |
| Lucy Edit Pro | 201 | |
| HappyHorse | HappyHorse Edit | 562 |
Lucy has two variants: one for editing the content of the frame, the other for changing the style. In other words, one brand covers two different kinds of rework.
The style variant accepts the longest clip in this pair — see the length row. For a whole piece that needs to get a uniform look, that means one run.
The prompt field is enough for an instruction with several conditions.
HappyHorse works at a higher resolution than Lucy. The reworked shot comes out fit for a screen, not just for a small strip.
There is a setting for the sound: the original audio can be kept. When reworking a shot with speech, that is exactly the difference between a usable and an unusable file.
It also accepts a longer description than Lucy — for an instruction with more conditions.
Where HappyHorse falls short. It accepts a noticeably shorter clip. Long material is cut into parts, and when restyling, the parts don't come out identical — you notice this when stitching them together.
Where Lucy falls short. It works at a single resolution, and it isn't the highest. The reworked shot isn't good for a big screen. Lucy also has no setting for the original audio.
A long piece that will be watched in a small strip — Lucy. A short shot with speech that will be watched on a screen — HappyHorse.
The other ways to rework finished video are on the page with all models — that's also where the models for background, lighting and upscaling resolution are.
Lucy. Lucy starts at 20 credits per second, HappyHorse — at 562 credits per second. The cheapest option for Lucy is Lucy Restyle, for HappyHorse — HappyHorse Edit. The exact price is shown on the button before you start the generation.
Lucy. Lucy goes up to 60 seconds at a time, HappyHorse — up to 15 seconds. Anything longer is made from several clips stitched together afterwards.
Lucy offers 720p. HappyHorse offers 720p, 1080p. A higher resolution costs more credits for the same length.
HappyHorse has an explicit setting for that. With Lucy there's no such setting: the sound is added again during editing.
See the "Longest file at once" row in the table. Lucy accepts considerably more, and the values are read live.
Yes, that's exactly the point of this mode: the motion stays, the look changes. Lucy also has a separate style-only variant.
This page compares the two brands with each other. The full technical card for each — all variants, their strengths and weaknesses, typical tasks and real examples from the community — is on its own page.
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