Providers and ModelsByteDance

Seedance-2.0-Fast

Seedance-2.0-Fast

Provider: ByteDance
Category: Video Generation
Endpoint: POST /v1/videos/generations
Context window: —
Served from: Malaysia

Speed-optimized 2.0 video variant for cinematic clips with native audio sync, camera control, and stable motion at lower cost per render.

At a glance

FieldValue
Model idseedance-2-0-fast
Input modalitiestext
Output modalitiesvideo
Context window—
RegionMalaysia
Featuresaudio_sync, camera_control
NewYes
Native inferenceNo

Pricing

ChargeSpecRate
T2V/I2V 480Pper second$0.122
T2V/I2V 720Pper second$0.260
Video Input 480Pper second$0.284
Video Input 720Pper second$0.610

Example request

$curl https://api.empiriolabs.ai/v1/videos/generations \
>  -H 'Authorization: Bearer $EMPIRIOLABS_API_KEY' \
>  -H 'Content-Type: application/json' \
>  -d '{"model": "seedance-2-0-fast", "prompt": "sunrise over the ocean", "duration": 6}'

Parameters

ParameterTypeRequiredDefaultDescription
promptstringyes—Scene description.
modeenumno"auto"auto: detect from inputs. t2v: text-to-video. i2v_first: animate first frame. i2v_both: morph between start (image) and end (image_end). reference: use image as visual reference. edit: edit attached video. extend: extend attached video. · Allowed: auto, t2v, i2v_first, i2v_both, reference, edit, extend
resolutionenumno"480p"Allowed: 480p, 720p
aspect_ratioenumno"adaptive"Allowed: adaptive, 16:9, 9:16, 1:1, 4:3, 3:4, 21:9
custom_durationbooleannotrueIf false, the model decides clip length.
durationnumberno5Clip length in seconds. Only used when custom_duration=true. · Range: 1 – 15
generate_audiobooleannotrueGenerate native audio with the video.
imagestringno—Reference image URL.
image_endstringno—End-frame image URL for i2v_both.
videostringno—Reference video URL for edit / extend.
negative_promptstringno""What to avoid.
seednumberno—Reproducibility seed.

Live machine-readable schema is also available at GET https://api.empiriolabs.ai/v1/models/seedance-2-0-fast.