Video78 credits / 3 sAlibaba

HappyHorse 1.1

Native audio with multilingual lip sync, written straight into the prompt.

Model guide
# Token from `npx summer-engine login` (valid 30 days)
export SUMMER_TOKEN="$(cat ~/.summer/auth-token)"

curl -X POST https://www.summerengine.com/api/mcp/generate/video \
  -H "Authorization: Bearer $SUMMER_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"model":"happy-horse-1.1","prompt":"A cheerful cartoon fox girl adventurer in a green scarf skips across a sunny meadow toward the camera, waves and laughs, soft 3D animated film style, gentle camera push in","duration":3,"aspectRatio":"16:9","idempotencyKey":"a-new-uuid-per-run"}'

# The answer carries a jobId. Poll it until status is completed:
curl https://www.summerengine.com/api/mcp/jobs/JOB_ID -H "Authorization: Bearer $SUMMER_TOKEN"

Input

Duration
Aspect ratio
Quality

Result

Example made with HappyHorse 1.1

Your result shows here. Runs are charged in Summer credits and a failed run is refunded.