FLUX 3 Video

Black Forest Labs. There is a draft setting at a third of the price for a quick look. Made by Black Forest Labs. 5 to 20 seconds, 720p, 1080p, with sound. From $0.187 a second.

flux-3-video

Get API key API reference Add funds

TypeVideo

InputsText, First frame

Length5 to 20 s

Resolution720p, 1080p

SoundOn by default

Aspect ratioauto, 21:9, 2:1, 16:9, 4:3, 1:1, 3:4, 9:16

From$0.187 / s

UpdatedOct 12, 2026

Pricing

Setting	MiniAPI	fal	Difference
720p	$0.187 / s	$0.17	+10%
1080p	$0.319 / s	$0.29	+10%

Example costs

Setting	5 s	10 s	15 s
720p	$0.935	$1.87	$2.81
1080p	$1.59	$3.19	$4.79

Parameters

Name	Required	Values	Default	Description
prompt	Yes	text		What to make, in plain words.
image_url	For first frame	https URL		A picture to start from. We fetch it and keep a copy for the job.Only with first frame
aspect_ratio	No	auto, 21:9, 2:1, 16:9, 4:3, 1:1, 3:4, 9:16	auto	Shape of the result, for example 16:9 or 9:16.
resolution	No	720p, 1080p	720p	Output size. Higher is sharper, slower and costs more.
generate_audio	No	true, false	true	Add sound effects, background sound and speech.
safety_tolerance	No	0 to 4	2	How strict the model's own content filter is. Lower is stricter.
duration	No	5 to 20		Length in seconds. The price changes with it.

Quickstart

curl -X POST "https://api.minicut.ai/v1/queue/flux-3-video" \
  -H "Authorization: Key $MINIAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"prompt":"a red fox runs through snow at dawn","resolution":"720p","duration":5}'

200 OK

{
  "request_id": "0192f3a4-5b6c-7d8e-9f01-23456789abcd",
  "status": "IN_QUEUE",
  "queue_position": 0,
  "status_url": "https://api.minicut.ai/v1/queue/flux-3-video/requests/0192f3a4-5b6c-7d8e-9f01-23456789abcd/status",
  "response_url": "https://api.minicut.ai/v1/queue/flux-3-video/requests/0192f3a4-5b6c-7d8e-9f01-23456789abcd",
  "cancel_url": "https://api.minicut.ai/v1/queue/flux-3-video/requests/0192f3a4-5b6c-7d8e-9f01-23456789abcd/cancel",
  "price": "0.935000",
  "currency": "USD"
}

Compare

Model	Maker	Max length	Resolution	Sound	From	vs fal
FLUX 3 Video	Black Forest Labs	20 s	720p, 1080p	Yes	$0.187 / s
Seedance 2.5	ByteDance	30 s	480p, 720p, 1080p	Yes	$0.16 / s	-27%
Seedance 2.0	ByteDance	15 s	480p, 720p, 1080p, 4K	Yes	$0.10 / s	-26%
Kling 3.0	Kling	15 s		Yes	$0.0924 / s
Google Veo 3.1	Google	8 s	720p, 1080p, 4K	Yes	$0.11 / s