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seedance2 is ByteDance’s Seedance 2 generation — a step up in fidelity and prompt adherence over the original Seedance Pro line. The right call for Chinese-market video where aesthetic quality and East-Asian subject handling matter. For the cheapest, fastest variant, see seedance2-fast. Pricing: $0.08 / second of generated footage — see the rate card. Failures don’t bill.

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Protocols

ProtocolPathPurpose
OpenAI Video — submitPOST https://llm.bytespike.ai/v1/videos/generationsenqueues; returns task_id
OpenAI Video — pollGET https://llm.bytespike.ai/v1/videos/tasks/{task_id}returns status and result_url

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Quickstart

TASK_ID=$(curl -s https://llm.bytespike.ai/v1/videos/generations \
  -H "Authorization: Bearer $BYTESPIKE_API_KEY" \
  -H "content-type: application/json" \
  -d '{
    "model": "seedance2",
    "prompt": "城市夜晚街景，霓虹倒映在雨后路面，远处一辆车驶过",
    "duration_seconds": 5,
    "size": "1280x720"
  }' | jq -r .task_id)

# Poll pattern — see /models/sora2#quickstart

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Capabilities

CapabilitySupported
Text-to-video✅
Image-to-video (with source_image)✅
duration_seconds 5 / 10✅
size 1280×720 / 1920×1080✅
Chinese aesthetic / East-Asian subjects✅
Modalityvideo
Capability bucketvideo_generate

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When to use

  • Chinese-market video — products, ads, posters where Chinese aesthetic and East-Asian subject quality matter.
  • DOSIA generate_video — main brain reaches for this for Chinese-market video when permissioned.
When not to use:

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