Pricing
Alibaba's HappyHorse video model. Runway Dev prices 720p and 1080p. Alibaba's API reference lists duration and aspect ratio, including 9:16.
720p rate from the cited page.
$0.15/s × 5s × 1
$0.75
Reference images, input video, credit minimums, and tax are not included unless the note on this page says so.
Runway Dev resale rate fetched 2026-11-03. 1 credit = $0.01. Not the lab's own checkout unless the model is Runway's. happyhorse_1_0 is 15 credits/s at 720p and 30 at 1080p.
Source: https://docs.dev.runwayml.com/guides/pricing/
Full spec