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Video to Video

HappyHorse Video Extend

Extend videos with seamless AI-generated continuation.

Schema

Hint: You can drag and drop a file or click to upload

Modell ausführen um Ausgabe zu sehen

Ihre Anfrage kostet $0.70 pro Ausführung. Für $10 können Sie dieses Modell ungefähr 14 Mal ausführen.

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README

Alibaba / HappyHorse Video Extend — Video to Video (happyhorse-1.0-video-extend)

HappyHorse-1.0 Video Extend continues an existing video with AI-generated footage, guided by your text prompt. Maintains natural motion dynamics for seamless transitions.

Highlights

  • •Seamless continuation of existing video clips.
  • •Prompt-guided scene progression.
  • •720P and 1080P output support.
  • •3 to 15 seconds total output duration.

Parameter

  • •video_url* – Source video to extend (MP4/MOV)
  • •prompt* – Describe the desired continuation of the video.
  • •duration – Total output video duration in seconds.
  • •resolution – Output resolution
    • • 720P
    • • 1080P

Preise

$0.70 pro Generierung

AuflösungPreis
720P$0.14
1080P$0.28

Anleitung

  1. 1.Upload the source video to extend.
  2. 2.Describe what should happen next in the prompt.
  3. 3.Set the desired total output duration.

Related Guides

Best AI Video APIs ComparedText to Video API GuideBest AI API Platforms 2026AI API Pricing Comparison

Frequently Asked Questions

What is the HappyHorse Video Extend API?
Extend videos with seamless AI-generated continuation.
How much does HappyHorse Video Extend cost via API?
HappyHorse Video Extend costs $0.7000 per generation through Renderful's API. No subscription required — pay only for what you use.
How do I use HappyHorse Video Extend via API?
Sign up for a free Renderful API key, then send a POST request to the /v1/predictions endpoint with model "happyhorse-1.0-video-extend". See the documentation at renderful.ai/docs for code examples in Python, JavaScript, and cURL.
What type of content does HappyHorse Video Extend generate?
HappyHorse Video Extend is a video to video model by Alibaba. Key features include: Video Extension, Prompt-Guided Continuation, 720P/1080P.
Is the HappyHorse Video Extend API fast?
HappyHorse Video Extend has medium generation speed. Results are delivered via polling or webhook callback for seamless integration.