Seedance 2.0 Fast Reference to Video

15% OFFbytedance/seedance/2.0/fast/reference-to-video

ByteDance's most advanced reference-to-video model in its fast tier delivering lower latency and cost without compromising on cinematic output, native audio, multi-shot editing, and director-level camera control for professional-grade video creation.

Base price
$0.85$1.00USD / run
Execution
async
Model type
video
Input fields
9
Production route

Try the model

Playground

Open playground
Input
The text prompt to generate a video from.

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

The URLs of reference images to guide video generation.
The URLs of reference videos to guide video generation. Up to 3 MP4 or MOV files, 2-15 seconds combined duration, under 50 MB total.
The URLs of reference audio files to guide video generation.
Output duration in seconds (4-15), or `auto` to let the model pick a length from the prompt and inputs. `auto` is pre-authorized at 15 seconds and billed on the actual output length. When a reference video is edited or extended, use `auto` with `adaptive` aspect ratio so the output follows the source clip. Allowed values: auto, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15.
Output aspect ratio. Omit to let the model choose from the prompt and reference inputs. Allowed values: 16:9, 9:16, 1:1, 4:3, 3:4.
The resolution of the video to generate. Allowed values: 480p, 720p.
Generate a synchronized audio track. Pricing is the same either way.
Random seed for reproducible results. Omit or use -1 for a random seed. Range: -1 to 4294967295.
15% OFF
OutputExample

Examples

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

Model card

Specifications

Pricing

Base price
$0.85 / 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/2.0/fast/reference-to-video
Execution
async
Base URL
https://api.sandbase.ai
API
Unified Run API
Endpoint
/v1/run

API README

Seedance 2.0 Fast Reference to Video

Seedance 2.0 Fast reference-to-video: combine reference images, up to 3 reference videos, and reference audio to lock a character, set, motion, or voice in a new clip.

Fields

FieldTypeDefaultNotes
promptstring, required—Up to 50,000 characters.
imagesimage URL[]—Reference images, Image 1, Image 2, …
videosvideo URL[] (≤3)—Reference clips (up to 3), Video 1, Video 2, …
audiosaudio URL[]—Reference audio, Audio 1, Audio 2, …
durationauto / 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 / 13 / 14 / 155Output length in seconds (4–15), or auto to let the model choose.
aspect_ratio16:9 / 9:16 / 1:1 / 4:3 / 3:4—Output frame shape.
resolution480p / 720p720pSets 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

Without reference videos you pay for output seconds: $0.10 at 480p, $0.20 at 720p. With reference videos, the input video seconds (at least 2) are added to the output length and billed at a lower rate: $0.065 at 480p, $0.13 at 720p. With duration: "auto" the quote assumes 15 seconds and the final charge uses the generated length.

Output480p720p
5s, images only$0.50$1.00
10s, images only$1.00$2.00
5s + 5s reference video$0.65$1.30
10s + 10s reference video$1.30$2.60

Failed runs are not charged.

Prompting

  • Give each reference a role: “Image 1 is the dancer, Video 1 sets the choreography, Audio 1 is the music”.
  • Numbering follows array order within each type.

Limits

  • Reference video seconds count toward billing (minimum 2, up to 15).

Also on SandBase

Other Seedance 2.0 Fast endpoints and tiers: bytedance/seedance/2.0/fast/text-to-video, bytedance/seedance/2.0/fast/image-to-video, bytedance/seedance/2.5/reference-to-video, bytedance/seedance/2.0/reference-to-video, bytedance/seedance/2.0/mini/reference-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/2.0/fast/reference-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 $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  --data-binary @- <<'SANDBASE_JSON'
{
  "model": "bytedance/seedance/2.0/fast/reference-to-video",
  "images": [
    "https://static.sandbase.ai/examples/bfl/flux-1/fill/input_image_0.jpeg",
    "https://static.sandbase.ai/examples/alibaba/wan/2.2/animate/replace/input_image_0.png"
  ],
  "prompt": "Room is slowly getting filled from empty state to fully organized with furnitures. Camera is fixed timelapse.",
  "duration": 5,
  "resolution": "720p",
  "generate_audio": true
}
SANDBASE_JSON
)
run_id=$(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$1.00 / runApr 1, 2026
ByteDanceVideo$0.53 / runOct 15, 2026
ByteDanceVideo$1.80 / runJul 1, 2026
ByteDanceVideo$1.80 / runJul 1, 2026
ByteDanceVideo$1.80 / runJul 1, 2026
ByteDanceVideo$0.60 / runJun 24, 2026

Questions

FAQ

How do I call ByteDance Seedance 2.0 Fast Reference to Video through SandBase?

Create a SandBase API key, then send requests with the model ID "bytedance/seedance/2.0/fast/reference-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 2.0 Fast Reference to Video and the other models in the catalog; you do not need to sign up with ByteDance separately.