Alibaba Happyhorse 1.0 Video Edit

Alibaba Happyhorse 1.0 Video Edit

Playground

Alibaba Happy Horse 1.0 (Video Edit) performs prompt-driven video editing with multi-image reference support, supporting 720p/1080p output. Ready-to-use REST API, best performance, no coldstarts, affordable pricing.

Features

Alibaba Happy Horse 1.0 Video Edit

Alibaba Happy Horse 1.0 Video Edit performs prompt-driven editing on existing videos, with optional multi-image reference support for stronger visual guidance and identity consistency. Upload a source video, describe the desired edits, and the model generates a transformed video clip in 720p or 1080p.

• Need to generate a video from scratch? Try Alibaba Happy Horse 1.0 Text-to-Video.
• Need reference-guided scene generation? Try Alibaba Happy Horse 1.0 Reference-to-Video.

Why Choose This?

• Prompt-driven video editing Edit existing videos using natural-language instructions for style, mood, action, and visual transformation.

• Optional reference-image support Add up to multiple reference images to better guide character appearance, style consistency, and visual identity.

• Consistent output workflow Keep the structure of the original video while transforming its look, atmosphere, or subject details.

• Flexible resolution options 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 scalable creative workflows.

Parameters

How to Use

1. Upload your source video — provide the video you want to edit.
2. Write your prompt — describe the desired transformation, including style, scene changes, atmosphere, or subject adjustments.
3. Add reference images (optional) — upload 0–9 images if you want stronger control over identity, styling, or visual direction.
4. Choose resolution — use 720p for lower-cost iteration or 1080p for higher-quality output.
5. Set a seed (optional) — use a fixed seed for more reproducible edits.
6. Submit — generate and download the edited video.

Example Prompt

Transform this street video into a cinematic neo-noir scene with rainy atmosphere, stronger reflections on the ground, richer contrast, subtle slow-motion feeling, dramatic lighting, and a premium commercial look

Pricing

Per 5 Seconds

Example Costs

Billing Rules

• Base price: 720p costs $0.70 per 5 seconds
• 1080p surcharge: 1080p costs 2× the 720p rate
• Billing duration: based on output video duration, clamped to 3–15 seconds
• When input video is ≤ 15s: output duration matches the input duration
• When input video is > 15s: the system automatically trims to the first 15s
• Total price formula:
  total_price = 0.70 × (resolution == "1080p" ? 2 : 1) × clamp(output_duration, 3, 15) / 5

Best Use Cases

• Style transformation — Rework existing footage into new visual styles, moods, or cinematic looks.
• Ad creative adaptation — Turn one source video into multiple campaign variations with different art directions.
• Character and identity guidance — Use reference images to better preserve appearance and branding cues.
• Content repurposing — Refresh older video assets for new promotions, launches, or platform formats.
• Social media optimization — Quickly generate visually distinct edits from the same original clip.
• Creative prototyping — Explore multiple editing directions before committing to a full post-production workflow.

Pro Tips

• Use a clear source video with stable framing for more predictable edits.
• Be specific in your prompt about what should change and what should remain consistent.
• Add reference images when character appearance, outfit details, or brand styling need tighter control.
• Use 720p for fast testing, then switch to 1080p for final-quality outputs.
• Reuse the same seed when you want more reproducible edits.
• Keep important edit instructions concrete, such as lighting changes, style shifts, color mood, or scene atmosphere.

Notes

• Both video and prompt are required.
• images is optional and supports 0–9 reference images.
• Ensure all video and image URLs are publicly accessible.
• Output video duration is limited to 3–15 seconds.
• When the input video exceeds 15 seconds, the system automatically trims it to the first 15 seconds.
• Pricing is based on the output video duration, not the original full source length.
• 1080p pricing is exactly 2× the 720p rate.

Related Models

• Alibaba Happy Horse 1.0 Text-to-Video — Generate cinematic videos directly from natural-language prompts.
• Alibaba Happy Horse 1.0 Image-to-Video — Animate a single reference image into a cinematic clip.
• Alibaba Happy Horse 1.0 Reference-to-Video — Generate new video scenes guided by reference images while preserving consistent identity.

# Submit the task
curl --location --request POST "https://api.wavespeed.ai/api/v3/alibaba/happyhorse-1.0/video-edit" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
    "resolution": "720p"
}'

# Get the result
curl --location --request GET "https://api.wavespeed.ai/api/v3/predictions/${requestId}/result" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}"