Bytedance Seedance 2.5 Image To Video Turbo

Bytedance Seedance 2.5 Image To Video Turbo

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Seedance 2.5 (Image-to-Video Turbo) generates cinematic 720p/1080p videos from reference images —a faster, more affordable high-resolution tier with native audio-visual synchronization, director-level control, and exceptional motion stability.

Features

Seedance 2.5 Image-to-Video Turbo delivers high-resolution 720p and 1080p cinematic videos from reference images with turbo generation — a faster, more affordable way to get high-resolution output while preserving the input image’s subject and composition.


Key Features

  • Turbo output Generates 720p or 1080p with turbo-accelerated delivery.

  • Image-faithful generation Preserves the reference image’s subject identity, composition, lighting, and style.

  • Multi-image reference support Guide generation with up to 4 reference images for consistent style, characters, or scenes.

  • Native audio-visual synchronization Generates video with synchronized audio in a single pass.

  • Director-level control Camera movement, lighting, shadows, and character performance controlled through prompts.

  • Exceptional motion stability Industry-leading motion coherence with stable subjects and fluid transitions.


Parameters

ParameterRequiredDescription
promptYesDetailed description of the cinematic scene
imageYesStart image URL to guide the video generation
last_imageNoLast frame image URL for video continuation
durationNoVideo length in seconds: 4-30 (default: 5)
aspect_ratioNoOutput format: 16:9, 9:16, 4:3, 3:4, 1:1, 21:9 (default: adaptive)
resolutionNoOutput resolution: 720p (default) or 1080p

Pricing

Seedance 2.5 base rate ($0.90 per 5 seconds) plus a flat resolution surcharge of $0.10 per 5 seconds at 720p or $0.15 per 5 seconds at 1080p, prorated per second.

ResolutionDurationCost
720p5 s$1.00
720p10 s$2.00
720p15 s$3.00
720p30 s$6.00
1080p5 s$1.05
1080p10 s$2.10
1080p15 s$3.15
1080p30 s$6.30

Best Use Cases

  • Turbo HD Content — Get 720p/1080p output faster and at a lower price.
  • Product Demos — Animate product shots into HD showcase videos quickly.
  • Ad Creatives — Fast turnaround on high-resolution commercial footage.
  • Character Animation — Bring character art to life in HD with natural motion.

Pro Tips

  • Use this endpoint when you need HD resolution with turbo-speed generation.
  • Upload high-quality reference images for the best subject preservation.
  • Write prompts like a film director — include lighting, camera angles, and mood.
  • Start with a short duration (4-5s) to iterate, then extend up to 15s for the final cut.

Notes

  • Native audio generation included.
  • Resolution options: 720p and 1080p only (turbo mode).
  • Duration range: 4-30 seconds (continuous).
  • Aspect ratio follows the input image composition.


Authentication

For authentication details, please refer to the Authentication Guide.

API Endpoints

Submit Task & Query Result

set -euo pipefail

export WAVESPEED_API_KEY="your-api-key"

REQUEST_BODY=$(cat <<'JSON'
{
  "prompt": "A cinematic ocean wave at sunrise, highly detailed",
  "image": "https://interactive-examples.mdn.mozilla.net/media/cc0-images/painted-hand-298-332.jpg",
  "resolution": "720p",
  "duration": 5,
  "generate_audio": true
}
JSON
)

# 1. Submit the prediction.
SUBMIT_RESPONSE=$(curl --silent --show-error --fail-with-body \
  -X POST "https://api.wavespeed.ai/api/v3/bytedance/seedance-2.5/image-to-video-turbo" \
  -H "Authorization: Bearer ${WAVESPEED_API_KEY}" \
  -H "Content-Type: application/json" \
  -d "${REQUEST_BODY}")

TASK=$(printf '%s' "${SUBMIT_RESPONSE}" | jq 'if type == "object" and has("data") then .data else . end')
PREDICTION_ID=$(printf '%s' "${TASK}" | jq -r '.id // empty')
if [ -z "${PREDICTION_ID}" ]; then
  printf 'Submission response did not contain a prediction id
' >&2
  exit 1
fi
RESULT_URL=$(printf '%s' "${TASK}" | jq -r '.urls.get // empty')
if [ -z "${RESULT_URL}" ]; then RESULT_URL="https://api.wavespeed.ai/api/v3/predictions/${PREDICTION_ID}/result"; fi

# 2. Poll until the prediction finishes.
while true; do
  RESPONSE=$(curl --silent --show-error --fail-with-body \
    "${RESULT_URL}" \
    -H "Authorization: Bearer ${WAVESPEED_API_KEY}")
  RESULT=$(printf '%s' "${RESPONSE}" | jq 'if type == "object" and has("data") then .data else . end')
  STATUS=$(printf '%s' "${RESULT}" | jq -r '.status // empty')

  case "${STATUS}" in
    completed) printf '%s\n' "${RESULT}" | jq '.outputs'; break ;;
    failed|cancelled|timeout) printf '%s\n' "${RESULT}" | jq . >&2; exit 1 ;;
    created|processing) sleep 2 ;;
    *) printf 'Unexpected status: %s
' "${STATUS}" >&2; exit 1 ;;
  esac
done

Parameters

Task Submission Parameters

Request Parameters

ParameterTypeRequiredDefaultRangeDescription
promptstringYes-Describe the scene, action, camera movement, and mood for the video.
imagestringYes-Start image URL to guide the video generation.
last_imagestringNo--Last frame image URL for video continuation.
resolutionstringNo720p720p, 1080pThe output video resolution.
durationintegerNo54 ~ 30The duration of the generated video in seconds (4-30s).
generate_audiobooleanNotrue-Whether to generate native audio synchronized with the output video. Defaults to true.

Response Parameters

ParameterTypeDescription
codeintegerHTTP status code (e.g., 200 for success)
messagestringStatus message (e.g., “success”)
data.idstringUnique identifier for the prediction, Task Id
data.modelstringModel ID used for the prediction
data.outputsarrayOutput values, usually URL strings; some models return text strings or structured result objects (empty when status is not completed)
data.urlsobjectObject containing related API endpoints
data.urls.getstringURL to retrieve the prediction result
data.statusstringStatus of the task: created, processing, completed, or failed
data.created_atstringISO timestamp of when the request was created (e.g., “2023-04-01T12:34:56.789Z”)
data.errorstringError message (empty if no error occurred)
data.timingsobjectObject containing timing details
data.timings.inferenceintegerInference time in milliseconds

Result Request Parameters

ParameterTypeRequiredDefaultDescription
idstringYes-Task ID

Result Response Parameters

ParameterTypeDescription
codeintegerHTTP status code (e.g., 200 for success)
messagestringStatus message (e.g., “success”)
dataobjectThe prediction data object containing all details
data.idstringUnique identifier for the prediction
data.modelstringModel ID used for the prediction
data.outputsarray<string | object>Array of generated outputs (empty when status is not completed). Items are usually URL strings, but may be text strings or structured result objects, depending on the model.
data.urlsobjectObject containing related API endpoints
data.urls.getstringURL to poll for the prediction result
data.statusstringStatus: created, processing, completed, or failed
data.created_atstringISO timestamp of when the request was created
data.errorstringError message (empty if no error occurred)
data.timingsobjectObject containing timing details
data.timings.inferenceintegerInference time in milliseconds
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