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Seedance 2.5 Image to Video

15% OFFbytedance/seedance/2.5/image-to-video

ByteDance's next-generation image-to-video model, animating a single still into a native clip up to 30 seconds at 720p with continuous, coherent motion, native audio, and director-level camera control.

Base price
$1.53$1.80USD / run
Execution
async
Model type
video
Input fields
9
Production route

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Playground

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Input
The text prompt to generate a video from.

PNG, JPEG, WebP, or GIF · 20 MiB maximum

The URL of the starting image for video generation.

PNG, JPEG, WebP, or GIF · 20 MiB maximum

The URL of the ending image for video generation.
Output duration in seconds (4-30), or `auto` to let the model pick a length from the prompt and inputs. `auto` is pre-authorized at 30 seconds and billed on the actual output length. Allowed values: auto, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30.
The resolution of the video to generate. Allowed values: 480p, 720p, 1080p.
Whether to generate synchronized audio (voice, SFX, BGM) for the video.
Random seed for reproducible results. Omit or use -1 for a random seed. Range: -1 to 4294967295.
Draft mode step 1: render a fast, low-cost 480p draft (overrides `resolution`, billed at the 480p rate). Pass the result's `outputs[0].draft_id` back as `draft_id` within 7 days to render the same shot at 1080p.
Draft mode step 2: the `outputs[0].draft_id` of a succeeded draft from this same model (created with `draft: true` in the last 7 days). Renders the same shot at 1080p, billed at the 1080p rate for the actual output length. The prompt, media, duration, aspect ratio, seed, audio setting and task type are reused from the draft; any such fields sent with `draft_id` are ignored.
15% OFF
OutputExample

Examples

Select an example to load its inputs and result into the playground.

Model card

Specifications

Pricing

Base price
$1.53 / run

Context & modalities

Input
Schema-defined
Output
video

Capabilities

Chat
Not supported
Vision
Not supported
Reasoning
Not supported
Structured output
Not supported
Function calling
Not supported
Audio input
Not supported

Access

Provider
ByteDance
Model ID
bytedance/seedance/2.5/image-to-video
Execution
async
Base URL
https://api.sandbase.ai
API
Unified Run API
Endpoint
/v1/run

API README

Seedance 2.5 Image to Video

Seedance 2.5 image-to-video: image becomes the first frame and the prompt directs motion, camera, and sound. Add end_image to set the final frame.

Fields

FieldTypeDefaultNotes
promptstring, required—Up to 50,000 characters.
imageimage URL, required—First frame. JPEG, PNG, or WebP URL.
end_imageimage URL—Optional last frame.
durationauto / 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 / 13 / 14 / 15 / 16 / 17 / 18 / 19 / 20 / 21 / 22 / 23 / 24 / 25 / 26 / 27 / 28 / 29 / 305Output length in seconds (4–30), or auto to let the model choose.
resolution480p / 720p / 1080p720pSets the per-second rate.
generate_audiobooleantrueNative dialogue, music, and effects. Same price on or off.
seedinteger -1–4294967295randomFix it to compare prompt changes; -1 is random.

Billing

You pay for output seconds: $0.18 at 480p, $0.36 at 720p, $0.90 at 1080p. Audio is included. With duration: "auto" the quote assumes 30 seconds and the final charge uses the generated length.

Output480p720p1080p
4s$0.72$1.44$3.60
5s (default)$0.90$1.80$4.50
10s$1.80$3.60$9.00
15s$2.70$5.40$13.50
30s$5.40$10.80$27.00

Failed runs are not charged.

Prompting

  • Describe what moves and how the camera behaves, not what is already visible.
  • With two frames, describe the transition between them.

Limits

  • Clips are 4–30 seconds.

Draft mode

Draft mode is two calls to this same model:

  1. Draft: add "draft": true. The output is a 480p preview billed at the 480p rate, and outputs[0].draft_id identifies it.
  2. Final: send {"draft_id": "<outputs[0].draft_id>"} (optionally watermark). The same shot is rendered at 1080p and billed at the 1080p output rate for the actual output length.

The final reuses the draft's prompt, media, duration, aspect ratio, seed and audio setting; those fields are ignored when draft_id is set. A draft can be finalized within 7 days, only with the model that created it.

{"prompt": "Slow 360-degree orbit around the subject.", "image": "https://example.com/first-frame.png", "duration": 5, "draft": true}
{"draft_id": "<outputs[0].draft_id from the draft>"}

Also on SandBase

Other Seedance 2.5 endpoints and tiers: bytedance/seedance/2.5/text-to-video, bytedance/seedance/2.5/reference-to-video, bytedance/seedance/2.0/image-to-video, bytedance/seedance/2.0/fast/image-to-video, bytedance/seedance/2.0/mini/image-to-video.

Start building

Send your first request

OpenAI-compatible endpoint with unified authentication and usage tracking.

Production API
Unified Run API endpoint
https://api.sandbase.ai/v1/run
Model ID
bytedance/seedance/2.5/image-to-video
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
  -X POST "https://api.sandbase.ai/v1/run" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  --data-binary @- <<'SANDBASE_JSON'
{
  "model": "bytedance/seedance/2.5/image-to-video",
  "draft": false,
  "image": "https://p9-arcosite.byteimg.com/tos-cn-i-goo7wpa0wc/f8fc1008f23a4908b7c897e8b7eb87df~tplv-goo7wpa0wc-image.image",
  "prompt": "Create a 360-degree orbiting camera shot based on this photo.",
  "duration": 5,
  "resolution": "720p",
  "generate_audio": true
}
SANDBASE_JSON
)
run_id=$(printf '%s' "$result" | jq -r .id)
for attempt in $(seq 1 120); do
  status=$(printf '%s' "$result" | jq -r .status)
  case "$status" in completed|failed|timeout) break ;; esac
  sleep 2
  result=$(curl --fail-with-body --silent \
    -H "Authorization: Bearer $SANDBASE_API_KEY" \
    "https://api.sandbase.ai/v1/run/$run_id")
done
status=$(printf '%s' "$result" | jq -r .status)
[ "$status" = completed ] || { echo "Generation ended: $status" >&2; exit 1; }
printf '%s\n' "$result"

Choose your model

Compare models

All image & video models
ModelTypeDefault priceReleased
ByteDanceVideo$1.80 / runJul 1, 2026
ByteDanceVideo$1.80 / runJul 1, 2026
ByteDanceVideo$1.80 / runJul 1, 2026
ByteDanceVideo$0.60 / runJun 24, 2026
ByteDanceVideo$0.60 / runJun 24, 2026
ByteDanceVideo$0.60 / runJun 24, 2026

Questions

FAQ

How do I call ByteDance Seedance 2.5 Image to Video through SandBase?

Create a SandBase API key, then send requests with the model ID "bytedance/seedance/2.5/image-to-video" to Unified Run API (/v1/run) at https://api.sandbase.ai. The request examples on this page show the exact payload.

Do I need a separate ByteDance account?

No. One SandBase API key and balance gives you access to ByteDance Seedance 2.5 Image to Video and the other models in the catalog; you do not need to sign up with ByteDance separately.