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ByteDance: Seedance 2.0 Fast
bytedance/seedance-2.0-fastvideo
Fast ByteDance video model: cheaper and quicker than Seedance 2.0 — for drafts and iteration.
Price
Released
Apr 15, 2026
Calculator
per clip · 5s
Parameters
promptrequired, up to 30,000 characterssecondssizeinput_references2–9 imagesFine-tuning · 1
seedReproducibility number: the same prompt with the same seed yields the same clipVideo sample
Fast5 с16:9720p
Prompt
A slow cinematic push-in on a glowing neon sign that reads "Mixen AI" in the window of a cozy coffee shop on a rainy night, rain streaking down the glass, reflections rippling on wet pavement.
How to use via API
import time
from openai import OpenAI
client = OpenAI(base_url="https://api.mixen.ai/v1", api_key="mxn-...")
video = client.videos.create(
model="bytedance/seedance-2.0-fast",
prompt="Кот-космонавт на мотоцикле, ночь",
seconds="5",
size="480x480",
# input_references=[...] # 2–9 референс-картинок
)
while video.status not in ("completed", "failed"):
time.sleep(5)
video = client.videos.retrieve(video.id)
client.videos.download_content(video.id).write_to_file("video.mp4")
