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AlibabaCreate video from a written scene with Alibaba’s HappyHorse-1.1, described by Alibaba as an update focused on prompt understanding and smoother motion.
- From $0.70 / clip
- 720p to 1080p
- 5s or 10s
Your result appears here
What is HappyHorse-1.1?
HappyHorse-1.1 is an AI video model from Alibaba. Alibaba’s description highlights prompt understanding, motion quality and visual consistency for creative video work.
UniRoute currently offers its text-to-video variant. Describe your scene, select a resolution and duration option, then review the price before creating a generation task.
HappyHorse-1.1 follows HappyHorse-1.0. Alibaba reports improvements in prompt understanding, motion, character consistency and visual realism; the version available here generates video from text.
What you can do
What you can do with HappyHorse-1.1 through UniRoute today.
Text to video
Describe the subject, action, setting and camera movement, then choose an output option to turn the scene into a clip.
Other HappyHorse-1.1 modes (image-to-video and reference-to-video) and reference image inputs are not available on UniRoute yet.
Specs & variants
The variants you can call, with their options and prices.
| Variant | Model ID | Modes | Inputs | Output | Price |
|---|---|---|---|---|---|
| HappyHorse 1.1 Text to Video | happyhorse-1-1/text-to-video | Text to video | Text prompt and a size option | Resolution: 720p, 1080p; Duration: 5s, 10s | $0.70 to $1.81 per request |
Pricing
Priced per request. The option you choose sets the price.
| HappyHorse 1.1 Text to Video | |
|---|---|
| 720p · 5s | $0.70 |
| 720p · 10s | $1.41 |
| 1080p · 5s | $0.91 |
| 1080p · 10s | $1.81 |
Rounded to the cent; the live quote in the workspace shows the exact amount. Prices updated 2026-11-08.
Pay as you go from a single USD wallet balance. You see the quote before each request.
API
Call HappyHorse-1.1 from your own code with the media API.
cURL
# Requires bash, curl and jq. Set API_KEY to your own unified UniRoute Key.set -euo pipefail: "${API_KEY:?Set API_KEY first}"BASE='https://api.uniroute.app/v1/media'MODEL='happyhorse-1-1/text-to-video'OPTION='720p:5'PROMPT='A calm sunrise over a mountain lake'curl -fsS --max-time 60 "$BASE/catalog" -H "Authorization: Bearer $API_KEY" | jq -e '.data.models'BODY=$(jq -n --arg model "$MODEL" --arg option "$OPTION" --arg prompt "$PROMPT" '{model:$model,option:$option,prompt:$prompt}')QUOTE_BODY=$(printf '%s' "$BODY" | jq '{model,option}')QUOTE=$(curl -fsS --max-time 60 "$BASE/quote" -H "Authorization: Bearer $API_KEY" -H 'Content-Type: application/json' -d "$QUOTE_BODY")CAP=$(printf '%s' "$QUOTE" | jq -er '.data.quoted_usd')BODY=$(printf '%s' "$BODY" | jq --arg cap "$CAP" '. + {max_cost_usd:$cap}')IDEMPOTENCY="example-$(date +%s)-$$"create() { curl -fsS --max-time 60 "$BASE/tasks" -H "Authorization: Bearer $API_KEY" -H "Idempotency-Key: $IDEMPOTENCY" -H 'Content-Type: application/json' -d "$BODY"; }TASK_ID=$(create | jq -er '.data.task_id')# The same request and idempotency key must return the original task without charging again.REPLAY_ID=$(create | jq -er '.data.task_id')[ "$TASK_ID" = "$REPLAY_ID" ]for attempt in $(seq 1 120); do TASK=$(curl -fsS --max-time 60 "$BASE/tasks/$TASK_ID" -H "Authorization: Bearer $API_KEY") printf '%s' "$TASK" | jq -e '.data | {task_id,status,billing}' if printf '%s' "$TASK" | jq -e '.data.status == "success" and .data.billing.state == "charged"' >/dev/null; then index=0 while IFS= read -r url; do index=$((index+1)) curl -fL --max-time 120 "$url" -o "$TASK_ID-$index.bin" done < <(printf '%s' "$TASK" | jq -er '.data.urls[].url') break fi if printf '%s' "$TASK" | jq -e '.data.status == "failed" and .data.billing.state == "released"' >/dev/null; then exit 1; fi if [ "$attempt" = 120 ]; then echo "Polling limit reached. Keep task ID $TASK_ID and query it later; do not create a new task." >&2 exit 1 fi sleep 5donecurl -fsS --max-time 60 "$BASE/tasks?limit=20" -H "Authorization: Bearer $API_KEY" | jq -e '.data'# Check this task and the caller Key in Console usage; billing.charged_usd is the actual USD charge.Parameters
| Name | In | Description |
|---|---|---|
model | Body | Model ID to run. |
option | Body | One of the options offered for the model: 720p:5, 720p:10, 1080p:5, 1080p:10. |
prompt | Body | Text prompt describing what to generate. |
max_cost_usd | Body | Maximum cost in USD for this task, taken from the quote. |
Idempotency-Key | Header | A unique key per task, so a repeated request returns the original task instead of charging again. |
Guides
Use cases
Typical ways to put HappyHorse-1.1 to work.
Story and character concepts
Turn a scene description into a moving draft to explore character action, atmosphere and camera direction.
Product video ideas
Describe a product in a setting and try different actions or visual treatments for a campaign concept.
Video creation tools
Use the API to offer prompt-based video generation in your application, with quoted requests and task status polling.
FAQ
Common questions about HappyHorse-1.1.
What is HappyHorse-1.1?
HappyHorse-1.1 is Alibaba’s AI video generation model. UniRoute offers its text-to-video variant through this page and the media API.
How does it differ from HappyHorse-1.0?
Alibaba reports better prompt understanding, smoother motion, stronger character consistency and improved visual realism. Both family pages let you review their callable options.
Which inputs can I use?
The callable variant accepts a text prompt and a resolution and duration option. The API section lists the inputs available through UniRoute.
How much does HappyHorse-1.1 cost?
From $0.70 / clip. Each request is priced for the whole clip at the output option you choose. See the Pricing section for all options, with prices updated 2026-11-08.
How do I call HappyHorse-1.1 through the API?
Request a quote for the model and option, create a media task with an Idempotency-Key and a maximum cost, then poll until the video is ready. The API section shows a complete example.
Is there a free trial or free credits?
No. Generation is paid from your wallet balance. You can open the workspace and review the price without paying, create an account to see a live quote for your exact settings, and you are charged only for requests that are accepted.
Related models
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