Alibaba Happy Horse 1.0 Text-to-Video

Alibaba Happy Horse 1.0 Text-to-Video

Alibaba Happy Horse 1.0 Text-to-Video turns natural-language prompts into cinematic videos with smooth motion, strong prompt alignment, and stable subject rendering. It supports both 720p and 1080p output, along with multiple aspect ratios for ad creatives, social content, storytelling, and concept work.

• Need to animate a reference image instead? Try Alibaba Happy Horse 1.0 Image-to-Video.

Why Choose This?

• Strong prompt fidelity Follows detailed instructions for scene composition, action, lighting, mood, and camera movement.

• Cinematic motion Generates smooth, expressive motion with stable subjects and polished visual dynamics.

• Flexible aspect ratios Supports 16:9, 9:16, 1:1, 4:3, and 3:4 for landscape, portrait, and square video formats.

• Resolution options for different needs Choose 720p for lower-cost iteration or 1080p for higher-quality final outputs.

• Production-ready API Access the model through a REST inference API with no cold starts for easy integration into creative workflows.

Parameters

Parameter	Required	Description
prompt	Yes	Text prompt describing the desired video. Maximum 2500 characters.
aspect_ratio	No	Output aspect ratio: 16:9 (default), 9:16, 1:1, 4:3, or 3:4.
resolution	No	Output resolution: 720p (default) or 1080p.
duration	No	Video length in seconds. Range: 3–15, default 5.
seed	No	Random seed for reproducibility. Range: 0–2147483647.

How to Use

1. Write your prompt — describe the scene, subject, action, camera movement, lighting, and mood.
2. Choose aspect ratio — select the format that best matches your target platform or creative layout.
3. Choose resolution — use 720p for faster, cheaper iteration or 1080p for higher-quality outputs.
4. Set duration — choose a clip length between 3 and 15 seconds.
5. Set a seed (optional) — use a fixed seed if you want more reproducible results.
6. Submit — generate and download your video.

Example Prompt

A cinematic street scene at night, light rain falling, soft reflections on wet pavement, a stylish woman walking slowly toward the camera, gentle dolly-in movement, neon glow, shallow depth of field, elegant and atmospheric mood

Pricing

Per 5 Seconds

Resolution	Cost
720p	$0.70
1080p	$1.40

Example Costs

Resolution	3s	5s	10s	15s
720p	$0.42	$0.70	$1.40	$2.10
1080p	$0.84	$1.40	$2.80	$4.20

Billing Rules

• Base price: 720p costs $0.70 per 5 seconds
• 1080p surcharge: 1080p costs 2× the 720p rate
• Total price formula:
  total_price = 0.70 × (resolution == "1080p" ? 2 : 1) × duration / 5

Best Use Cases

• Ad creatives — Generate short cinematic promo videos from detailed campaign concepts.
• Social media content — Create scroll-stopping vertical, square, or landscape videos for different platforms.
• Concept visualization — Turn written ideas into motion previews for pitching, ideation, or storyboarding.
• Brand storytelling — Build polished mood-driven clips with specific lighting, movement, and atmosphere.
• Creative prototyping — Explore different visual directions quickly before committing to full production.
• Short-form cinematic scenes — Generate expressive clips for teasers, motion concepts, and narrative experiments.

Pro Tips

• Be specific in your prompt about subject, action, camera movement, lighting, and mood.
• Mention visual style clearly, such as cinematic, commercial, dreamy, realistic, or editorial.
• Use 720p for rapid testing, then switch to 1080p for final-quality renders.
• Pick the aspect ratio based on the final destination: 9:16 for short-form mobile, 16:9 for widescreen, and 1:1 for square layouts.
• Reuse the same seed when you want more reproducible outputs.
• Start with shorter durations to validate motion and composition before generating longer clips.

Notes

• prompt is the only required field.
• Supported aspect ratios are 16:9, 9:16, 1:1, 4:3, and 3:4.
• Supported resolutions are 720p and 1080p.
• Supported video duration is 3–15 seconds.
• Pricing scales linearly with duration.
• 1080p pricing is exactly 2× the 720p rate.

Related Models

• Alibaba Happy Horse 1.0 Image-to-Video — Animate a reference image into a cinematic video clip.