HappyHorse 1.0 T2V

Model ID

Use with the Workers AI binding, the AI Gateway REST API, or the Unified API.

Calling the provider directly? Use the provider's model name instead, including with provider-native endpoints or the provider's own SDK. For example, Anthropic's name for anthropic/claude-opus-4.8 is claude-opus-4-8.

Third-party
Zero data retention

Alibaba's HappyHorse 1.0 text-to-video model. Generates videos from a text prompt with configurable resolution, aspect ratio, and duration (3-15s).

Model Info
Terms and License	link ↗
More information	link ↗
Zero data retention	Yes
Pricing	Default (per second)$0.28 @720p (per second)$0.14 @1080p (per second)$0.28

Usage

const response = await env.AI.run(
  'alibaba/hh1-t2v',
  { prompt: 'A little girl walking on the road' },
)
console.log(response)

curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \
  --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
  --header "Content-Type: application/json" \
  --data '{
  "model": "alibaba/hh1-t2v",
  "input": {
    "prompt": "A little girl walking on the road"
  }
}'

{
  "gatewayMetadata": {
    "keySource": "BYOK"
  },
  "result": {
    "video": "https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/alibaba__hh1-t2v/simple-text-to-video.mp4"
  },
  "state": "Completed"
}

Examples

Vertical 1080P — Vertical 9:16 output at 1080P for social media

const response = await env.AI.run(
  'alibaba/hh1-t2v',
  {
    prompt: 'A dog running through a field of tall grass, slow motion, golden hour',
    duration: 6,
    ratio: '9:16',
    resolution: '1080P',
  },
)
console.log(response)

curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \
  --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
  --header "Content-Type: application/json" \
  --data '{
  "model": "alibaba/hh1-t2v",
  "input": {
    "prompt": "A dog running through a field of tall grass, slow motion, golden hour",
    "duration": 6,
    "ratio": "9:16",
    "resolution": "1080P"
  }
}'

{
  "gatewayMetadata": {
    "keySource": "BYOK"
  },
  "result": {
    "video": "https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/alibaba__hh1-t2v/vertical-1080p.mp4"
  },
  "state": "Completed"
}

Reproducible Output — Use a fixed seed for reproducibility

const response = await env.AI.run(
  'alibaba/hh1-t2v',
  {
    prompt: 'Clouds drifting across a mountain range, time-lapse style',
    duration: 5,
    ratio: '16:9',
    resolution: '720P',
    seed: 42,
  },
)
console.log(response)

curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \
  --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
  --header "Content-Type: application/json" \
  --data '{
  "model": "alibaba/hh1-t2v",
  "input": {
    "prompt": "Clouds drifting across a mountain range, time-lapse style",
    "duration": 5,
    "ratio": "16:9",
    "resolution": "720P",
    "seed": 42
  }
}'

{
  "gatewayMetadata": {
    "keySource": "BYOK"
  },
  "result": {
    "video": "https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/alibaba__hh1-t2v/reproducible-output.mp4"
  },
  "state": "Completed"
}

Parameters

prompt

stringrequiredminLength: 1maxLength: 2500

resolution

stringenum: 720P, 1080P

ratio

stringenum: 16:9, 9:16, 1:1, 4:3, 3:4

duration

integerminimum: 3maximum: 15

seed

integerminimum: 0maximum: 2147483647

watermark

boolean

video

stringformat: uri

API Schemas (Raw)

Input

Output