Overview
FLUX 3 Video by Black Forest Labs
FLUX 3 Video (Text to Video / Image to Video) API is available through a video generation endpoint.
What Is FLUX 3 Video API?
FLUX 3 Video by Black Forest Labs generates 5–20 second video clips either from a text prompt or from an image, animating a single keyframe, or interpolating between a first and a last frame, in hd or fhd, with a synchronized audio track.
Technical Reference
| Developer | Black Forest Labs |
|---|---|
| Model IDs | blackforestlabs/flux-3-video-t2v (text-to-video), blackforestlabs/flux-3-video-i2v (image-to-video) |
| Supported inputs | Text, Image |
| Output | Video with synchronized audio |
| Resolutions | hd, fhd |
| Duration | 5–20 seconds |
What FLUX 3 Video Brings to the Table
Dual generation modes
Generate from a text prompt alone, or from a reference image, animating a single keyframe, or interpolating between a first and a last frame for controlled motion.
Synchronized audio
Every clip is generated with a synchronized audio track, rather than requiring a separate audio generation step.
hd and fhd output
Choose standard hd or higher-fidelity fhd resolution, with fhd priced higher per second.
Where FLUX 3 Video Makes the Most Sense
Short-form video generation
Create clips for social, ads, and product demos from text or image prompts.
Keyframe animation
Animate a single image, or interpolate between a first and last frame for controlled motion.
Pricing
| Usage | Price | Unit |
|---|---|---|
| Usage | $0.17 | per second |
Quick start
View docs (opens in a new tab)Build with your agent
Give your agent the model details, code and documentation.
1Get your API key
Create API key (opens in a new tab)export AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"2Make your first request
curl 'https://api.aimlapi.com/v2/video/generations' \
-H "Authorization: Bearer $AIMLAPI_KEY" \
-H 'Content-Type: application/json' \
-d '{
"model": "blackforestlabs/flux-3-video-t2v",
"prompt": "A slow dolly shot through a sunlit greenhouse full of ferns, light dust in the air, natural camera motion"
}'import os
import requests
headers = {
"Authorization": f"Bearer {os.environ['AIMLAPI_KEY']}",
"Content-Type": "application/json",
}
payload = {
"model": "blackforestlabs/flux-3-video-t2v",
"prompt": "A slow dolly shot through a sunlit greenhouse full of ferns, light dust in the air, natural camera motion"
}
response = requests.post("https://api.aimlapi.com/v2/video/generations", headers=headers, json=payload, timeout=120)
response.raise_for_status()
print(response.json())const response = await fetch("https://api.aimlapi.com/v2/video/generations", {
method: "POST",
headers: {
Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
"Content-Type": "application/json",
},
body: JSON.stringify({
"model": "blackforestlabs/flux-3-video-t2v",
"prompt": "A slow dolly shot through a sunlit greenhouse full of ferns, light dust in the air, natural camera motion"
}),
});
if (!response.ok) throw new Error(`HTTP ${response.status}`);
console.log(await response.json());The request returns a generation id. Poll GET https://api.aimlapi.com/v2/video/generations?generation_id=<id> until the status is completed.
Frequently asked questions
What inputs and outputs does FLUX 3 Video support?
FLUX 3 Video takes text, image as input and returns video.
When was FLUX 3 Video released?
FLUX 3 Video became available on August 12, 2026.
How is FLUX 3 Video billed?
FLUX 3 Video is billed per generation, a fixed charge per output rather than by prompt length.
Can FLUX 3 Video take an existing image as input?
Yes, FLUX 3 Video accepts image input as well as a text prompt.
Who created FLUX 3 Video?
FLUX 3 Video was built by Black Forest Labs.
How do I call FLUX 3 Video on AI/ML API?
Use blackforestlabs/flux-3-video-t2v as the model id on AI/ML API.
Is FLUX 3 Video available through a single API key?
Yes. FLUX 3 Video is served through AI/ML API, so the same key and endpoint format used for other models applies.
Does FLUX 3 Video include sound with its clips?
Yes, FLUX 3 Video produces clips with a synchronized audio track.
What is the maximum length of a video clip from FLUX 3 Video?
FLUX 3 Video can generate clips ranging from 5 to 20 seconds long.
What resolutions can FLUX 3 Video output?
FLUX 3 Video supports HD and Full HD (FHD) output resolutions.
