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FLUX: FLUX.3 Video
black-forest-labs/flux-3-videovideo
Video model from Black Forest Labs: text-to-video and image-guided generation with opening and closing keyframes for controlled scene animation. Synchronized audio. 720p/1080p, up to 20s.
Price
Released
Aug 4, 2026
Calculator
per clip · 5s
Parameters
promptrequired, up to 30,000 characterssecondssizeVideo sample
5 с16:92K
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="black-forest-labs/flux-3-video",
prompt="Кот-космонавт на мотоцикле, ночь",
seconds="5",
size="720x720",
)
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")
