Text to Video
happyhorse_t2v
Model: happyhorse-1-1/text-to-video
Prompt only. Use this when the idea starts as a written scene.
Open this routeUlazAI - AI Image & Video Tools
New video model in UlazAI
HappyHorse-1.1 API and video generator
Create short AI videos from a prompt, image reference, reference set, or source video. HappyHorse-1.1 supports 3-15 second clips in 720p and 1080p, directly inside Video Studio.
- Duration
- 3-15s
- Resolution
- 720p / 1080p
- From
- 33 cr/s
Prompt used
Use the reference person as the hero of a cinematic creator-studio promo: they step into soft window light, camera pushes in, subtle hand motion, polished UGC commercial look, no text, no logos.
Marketing proof reel
Explanation, examples, and benefits in one launch video
Use this video as the fast route check: it shows which input you need, what real outputs look like, and why these routes are worth testing in Video Studio.
Explanation Choose text-to-video, image-to-video, reference-to-video, or video edit from your source material.
Example Watch real generated clips before spending credits.
Benefits Prompts, pricing, and the next step sit together in one workflow.
Four routes for short AI video
Choose the model based on your input. Start from text, animate a still, guide the style with references, or edit an existing clip.
Image to Video
happyhorse_i2v
Model: happyhorse-1-1/image-to-video
Requires one or two image URLs for reference-led motion.
Open this routeReference to Video
happyhorse_r2v
Model: happyhorse-1-1/reference-to-video
Requires image references when identity, style, or composition consistency matters.
Open this routeVideo Edit
happyhorse_videoedit
Model: happyhorse/video-edit
Requires a source video URL for prompt-based editing.
Open this routeClear per-second pricing
HappyHorse is billed linearly by duration and resolution, so you can estimate the cost of 3, 5, 10, or 15 second clips before generating.
720p: 33 credits per second
1080p: 44 credits per second
| Duration | 720p | 1080p |
|---|---|---|
| 3s | 99 credits | 132 credits |
| 5s | 165 credits | 220 credits |
| 10s | 330 credits | 440 credits |
| 15s | 495 credits | 660 credits |
Where HappyHorse fits best
Prompt to scene
Quickly test ad concepts, social clips, explainers, and visual ideas without creating a source image first.
Still to motion
Animate product shots, character sheets, and key visuals while keeping the source image recognizable.
Refine existing clips
Use video edit when you already have a clip and want to adjust motion, atmosphere, or visual details with a prompt.
Production workflow
- 1. Write your scene or start from a Story Builder prompt.
- 2. Choose text-to-video, image-to-video, reference-to-video, or video edit.
- 3. Select 720p or 1080p and a duration between 3 and 15 seconds.
- 4. Generate, compare variations, and download the best result.
Developer integration
Use the same Video Studio route for product interfaces and workflow automation. The model slug selects the HappyHorse route.
POST /api/v1/video-studio/generate/
{
"model_slug": "happyhorse_t2v",
"prompt": "A miniature city built from cardboard comes alive at night",
"duration": 5,
"quality": "1080p",
"aspect_ratio": "16:9"
}
GET /api/v1/video-studio/status/{job_id}/Frequently asked questions
Which HappyHorse routes does UlazAI support?
UlazAI supports text-to-video, image-to-video, reference-to-video, and video edit through separate model slugs in Video Studio.
What is the maximum length?
HappyHorse clips run from 3 to 15 seconds. For longer productions, create multiple shots or choose another video model with longer duration support.
Does the UlazAI route support audio?
The current HappyHorse routes in UlazAI focus on video output. Use models with native audio support when generated sound or spoken dialogue is required.
Start with HappyHorse-1.1 in UlazAI
Open Video Studio, choose the HappyHorse route, and create a short test video with predictable credits.