LivePortrait
liveportraitKuaishou LivePortrait. Efficient portrait animation driven by reference videos with stitching, retargeting and motion-control parameters.
- Price
- โ $0.0949/run
- Aspect ratios
- 16:9, 9:16, 1:1
- Input โ output
- Text + Image โ Video
- Developer
- Community
- Updated
- September 23, 2026
Playground
Try LivePortrait
Input & output
This run
about $0.0949 ยท 9.49 credits
$0.2845 (28.45 credits) are reserved at the start; the actual GPU time is billed.
For accounts without a purchase: runs above 2 credits need a top-up.
New here?
10 free credits ($0.10) when you sign up with Google
Usable 24 hours after sign-up, up to 5 runs per day and at most 2 credits per run. Other sign-in methods start without credits.
About LivePortrait
LivePortrait is a model by Community in the Video generation category. On Railwail, LivePortrait costs โ $0.0949 per run. Supported aspect ratios: 16:9, 9:16, and 1:1.
Pricing
| Typical run (โ 81 s on L40S) | $0.0949 per run |
|---|---|
| GPU time (L40S) | $0.00117 per GPU second |
- Billed by the GPU time the run actually takes. When the run starts, 3ร the typical price is reserved from your balance and settled afterwards.
- 1 credit = $0.01
Cost calculator
Price calculator
Typical according to the provider: about 81 s
Total
$9.49
949 credits
Per run
$0.0949 ยท 9.49 credits
Billed by the actual GPU time; this is an estimate.
API
curl https://railwail.com/api/v1/videos/generations \
-H "Authorization: Bearer $RAILWAIL_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "liveportrait",
"prompt": "A slow drone shot over a misty pine forest at sunrise",
"image_url": "https://example.com/first-frame.jpg"
}'
# Response: {"job_id": "...", "status": "queued", ...}
# Poll until status is completed, failed or cancelled:
curl https://railwail.com/api/v1/jobs/JOB_ID \
-H "Authorization: Bearer $RAILWAIL_API_KEY"import os
import time
import requests
API = "https://railwail.com/api/v1"
headers = {"Authorization": f"Bearer {os.environ['RAILWAIL_API_KEY']}"}
job = requests.post(
f"{API}/videos/generations",
headers=headers,
json={
"model": "liveportrait",
"prompt": "A slow drone shot over a misty pine forest at sunrise",
"image_url": "https://example.com/first-frame.jpg",
},
).json()
while True:
status = requests.get(f"{API}/jobs/{job['job_id']}", headers=headers).json()
if status["status"] in ("completed", "failed", "cancelled"):
break
time.sleep(5)
print(status["status"], status.get("output_url"))const API = "https://railwail.com/api/v1";
const headers = {
Authorization: `Bearer ${process.env.RAILWAIL_API_KEY}`,
"Content-Type": "application/json",
};
const job = await fetch(`${API}/videos/generations`, {
method: "POST",
headers,
body: JSON.stringify({
model: "liveportrait",
prompt: "A slow drone shot over a misty pine forest at sunrise",
image_url: "https://example.com/first-frame.jpg"
}),
}).then((r) => r.json());
let status;
do {
await new Promise((r) => setTimeout(r, 5000));
status = await fetch(`${API}/jobs/${job.job_id}`, { headers }).then((r) => r.json());
} while (!["completed", "failed", "cancelled"].includes(status.status));
console.log(status.status, status.output_url);Videos run asynchronously: the first call returns a job_id; query /api/v1/jobs/JOB_ID until the status is completed.
Specifications
- Model ID
liveportrait- Developer
- Community
- Category
- Video generation
- Input
- Text, Image
- Output
- Video
- Aspect ratios
- 16:9, 9:16, 1:1
- Billing
- By usage (tokens or GPU time)
- Catalog entry updated
- September 23, 2026
Input parameters
Inputs and settings from the model's input schema. The example in the API section shows which of them the API accepts.
image_urlrequiredReference portrait image
Type: TextDefault: โAllowed values: โfpsType: IntegerDefault:24Allowed values: 12 to 30seedOptional seed for reproducibility
Type: IntegerDefault: โAllowed values: โpromptDescription for animation
Type: TextDefault: โAllowed values: up to 2,000 charactersaspect_ratioType: ChoiceDefault:1:1Allowed values: 16:9, 9:16, or 1:1duration_secType: IntegerDefault:5Allowed values: 1 to 30motion_strengthType: NumberDefault:0.5Allowed values: 0 to 1
Tags
- replicate
- lipsync
- kuaishou
- portrait-animation
- open-source
Use cases
Frequently asked questions
What is LivePortrait?
LivePortrait is a model by Community in the Video generation category. On Railwail you can call it with an API key through the Railwail API.
How much does LivePortrait cost on Railwail?
On Railwail, LivePortrait costs โ $0.0949 per run. You are charged for what each request actually uses. Usage is paid from prepaid credits; 1 credit equals $0.01.
Which settings does LivePortrait support?
According to its input schema, LivePortrait knows these parameters: image_url, fps (12 to 30), seed, prompt (up to 2,000 characters), aspect_ratio (16:9, 9:16, or 1:1), duration_sec (1 to 30), and motion_strength (0 to 1).
How fast is LivePortrait?
There are not enough measured runs of LivePortrait on Railwail yet to state a run time. It depends on the input, the settings and the load at the provider.
Is LivePortrait better than Google Veo 3.1?
That depends on the task. LivePortrait (Community) and Google Veo 3.1 (Google DeepMind) are both models in the Video generation category. The comparison page shows their prices and specifications side by side.
Compare LivePortrait and Google Veo 3.1Can LivePortrait use an image as input?
Yes. Send the image in the image_url parameter.
How do I use LivePortrait through the API?
Create a Railwail API key and send your request with the model ID liveportrait. Code examples for curl, Python and JavaScript are in the API section of this page.
Comparable models
All in this category- HunyuanVideoTencent
Tencent's HunyuanVideo, a 13B open-weights text-to-video diffusion transformer. Produces high-motion, photorealistic clips with smooth temporal consistency and was one of the first open models to rival closed systems on motion quality.
- Google Veo 2Google DeepMind
Google's state-of-the-art video generation model. Simulates real-world physics with various visual styles.
- Google Veo 3 (Replicate)Google DeepMind
Google's Veo 3 served via Replicate. Text-to-video with native synchronized audio generation. High-fidelity motion and scene coherence in short clips.
Use LivePortrait via the API
One API key for every model on Railwail. Usage is charged from prepaid credits, 1 credit = $0.01.