Remy Reference/Models/Video generation/HappyHorse 1.1

HappyHorse 1.1

HappyHorse 1.1, a video model from WaveSpeed.

videoModelOverride: { model: "happyhorse-1.1-wavespeed" }

AAlibaba·served viaWaveSpeed·Released 2026

Pricing

List price: $0.14-$0.189/second
Per generation: $0.00010

Specifications

Context window: 2,500 tokens
Aspect ratios: 5
Released: 2026
Model string: happyhorse-1.1

Parameters

Model options, passed in videoModelOverride.config.

Parameter	Type	Default	Range / options
`$mode`	Select	text-to-video	text-to-videoimage-to-videoreference-to-video
`image` Image used as the first frame of the generated video.	Image URL	—	—
`reference_images` Provide 1–9 reference images of subjects, objects, or scenes.	Image URLs	—	—
`resolution`	Select	720p	720p1080p
`aspect_ratio`	Select	16:9	16:99:161:14:33:4
`duration` Duration of the generated video in seconds.	Number	5	3–15
`seed`	Seed	—	0–2147483647

Use this model

await mindstudio.generateVideo({
  prompt: "...",
  videoModelOverride: {
    model: "happyhorse-1.1-wavespeed",
    config: {
      resolution: "720p",
      aspect_ratio: "16:9",
    },
  },
});