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Changelog
May 6, 2026

Happy Horse Video Edit

Edit existing videos with Happy Horse using prompt-based changes, optional reference images, and audio control.

We’ve added Happy Horse Video Edit so you can transform existing clips with simple text instructions.

Why This Matters

  • Faster iteration: Start from an existing video and apply targeted edits instead of regenerating from scratch.
  • Better style control: Add up to 5 reference images to steer look and identity.
  • Audio flexibility: Keep original audio or let the model regenerate it automatically.

What’s New

  • New edit model: happy-horse-video-edit
  • Input support for:
    • Source video URL
    • Prompt-based edit instructions
    • Up to 5 reference images
    • Audio mode (origin or auto)
  • Duration compatibility:
    • Input videos from 3-60 seconds
    • Output is capped to the first 15 seconds for longer inputs

Pricing

  • 1080p: $0.364 / second (includes platform markup)
  • 720p: supported by API (internal default currently uses 1080p for best output quality)

Reference

  • Happy Horse Video Edit OpenAPI: queue openapi
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