Alibaba
HappyHorse 1.0 AI video generator
A full sprint and a car close enough to blur in our runs. Sound comes with every clip.
- 210 credits · 3s clip
- 3–15s clip per run
- Start frame
- up to 1080p · 16:9 · 9:16 · 1:1 · 4:3 · 3:4

What it does best
Every line here comes from our own runs of HappyHorse 1.0.
Real running form
Our runner sprinted side-on with her arms pumping, in full running form. On the same prompt, Wan 3.0, Wan 3.0 Prime and LTX-2.3 gave us a jog or a skip.
Full sprint, where 3 other models jogged
Close, fast passes
Our rally car drifted out of the bend and passed close enough to blur. The frame filled with dust as it went.
Car passed the lens at speed in one 5 s take
What it costs
Per second of video, 720p
70 credits
- 720p 70 credits
- 1080p 140 credits
- 3s clip 210 credits
- 15s clip 1,050 credits
Generate shows what the clip you set up costs: its resolution's price for each second of it, nothing more. A failed clip gives its credits back. New accounts get 100 credits free.
- Aspect ratios
- 16:9
- 9:16
- 1:1
- 4:3
- 3:4
- Length
- Any length from 3 to 15 seconds
- Resolution
- 720p or 1080p
- Frames
- Start frame
- Sound
- Generated with the picture
- Commercial use
- Yes, you own the output. fal lists HappyHorse with full commercial rights on all outputs.
Prompt tips
What changed HappyHorse 1.0's results in our runs.
Sound is built in
Every HappyHorse clip comes with sound. Turn sound off and we take the track out for you.
sound off for a silent clipName the material
We asked for a yellow raincoat and got clear plastic over a yellow top. Say what it's made of.
a yellow rubber raincoatSkip the signs
Its shop signs came out as nonsense words. Keep lettering out of the shot.
neon lights with no lettering
When to pick another
HappyHorse 1.0 isn't the answer to everything. Here's what we'd use instead.
- Want it faster?Grok Imagine 1.5Grok Imagine 1.5 is the same price and took 41 to 50 seconds against 102 to 144 here.72 credits a 1s clip
- Need it to keep one car?Wan 3.0Wan 3.0 kept our rally car's number and livery in every frame, at 50 credits a second.100 credits a 2s clip
- Need 1080p?LTX-2.3LTX-2.3 renders 1080p at 40 credits a second. HappyHorse's 1080p is 140.240 credits a 6s clip
Questions
How much does a HappyHorse 1.0 clip cost?
70 credits a second at 720p and 140 at 1080p. 720p is the default. A 15-second clip costs 1,050 credits at 720p and 2,100 at 1080p. A failed clip gives its credits back.
Which aspect ratios does HappyHorse 1.0 support?
16:9, 9:16, 1:1, 4:3 and 3:4, at 720p or 1080p. We tried 16:9 and 9:16.
Can I start a HappyHorse 1.0 clip from an image?
Yes, it takes a start frame, and the clip takes the frame's shape. It doesn't take an end frame. We haven't tried a start frame on it yet.
Can I use HappyHorse 1.0 clips commercially?
Yes. You own what you make and can use it for any lawful purpose, personal or commercial. Our Terms of Service, section 5, have the details. fal, which runs HappyHorse for us, lists it with full commercial rights on all outputs.
Start with 100 credits free.
New accounts get 100 credits free. A 3-second HappyHorse 1.0 clip is 210 credits.
Start with HappyHorse 1.0