Skip to main content
Talking Head audio-driven fal.ai

Sync Lipsync 3.0 Image-to-Video

Sync Lipsync 3.0 Image-to-Video costs $0.800/clip on FairStack — a audio-driven model for Talking avatars from a headshot, UGC-style spokesperson videos, Voice-over portraits. No subscription required. Pay per generation with full REST API access. FairStack applies a transparent 20% margin on infrastructure cost so you always see the real price.

FairStack price
$0.800/clip

What is Sync Lipsync 3.0 Image-to-Video?

Sync Lipsync 3.0 Image-to-Video animates a single still photo into a talking-head video driven by your audio track. Unlike the v2 family (which requires existing video), v3 needs only a photo and a voice clip — upload both URLs and get a lip-synced avatar back. Premium tier at $0.1333 per output second ($8/min), positioned above Sync Lipsync 2.0 Pro ($5/min).

Key Features

Still photo in — no source video needed
Audio-driven lip-sync
Two-field API: image_url + audio_url
Sync Labs' newest lip-sync generation

What are Sync Lipsync 3.0 Image-to-Video's strengths?

Net-new capability vs v2 (photo input)
Simple integration
High lip-sync fidelity

What are Sync Lipsync 3.0 Image-to-Video's limitations?

Most expensive lip-sync tier ($8/min)
fal.ai-only — no fallback provider

What is Sync Lipsync 3.0 Image-to-Video best for?

Talking avatars from a headshot UGC-style spokesperson videos Voice-over portraits

How much does Sync Lipsync 3.0 Image-to-Video cost?

Metric
FairStack
Details
Price per generation
$0.800
Includes 20% margin
Per-second rate
$0.1333/sec
Billed per second of output
Subscription
None
Pay per generation only

How does Sync Lipsync 3.0 Image-to-Video perform across capabilities?

Sync Lipsync 3.0 i2v — premium above v2-pro; photo+audio input

lipsync accuracy
92%
visual quality
88%
temporal coherence
88%
audio quality
90%

How do I use the Sync Lipsync 3.0 Image-to-Video API?

curl
curl -X POST https://api.fairstack.ai/v1/generations/talkingHead \
  -H "Authorization: Bearer $FAIRSTACK_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "sync-lipsync-v3-i2v",
    "prompt": "Your prompt here"
  }'
Python
import requests

response = requests.post(
    "https://api.fairstack.ai/v1/generations/talkingHead",
    headers={
        "Authorization": f"Bearer {FAIRSTACK_API_KEY}",
        "Content-Type": "application/json",
    },
    json={
        "model": "sync-lipsync-v3-i2v",
        "prompt": "Your prompt here",
    },
)

result = response.json()
print(result["url"])
Node.js
const response = await fetch(
  "https://api.fairstack.ai/v1/generations/talkingHead",
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.FAIRSTACK_API_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      model: "sync-lipsync-v3-i2v",
      prompt: "Your prompt here",
    }),
  }
);

const result = await response.json();
console.log(result.url);

What parameters does Sync Lipsync 3.0 Image-to-Video support?

Parameter
Type
Default
Details
image_url
string
audio_url
string

Frequently Asked Questions

How much does Sync Lipsync 3.0 Image-to-Video cost?

Sync Lipsync 3.0 Image-to-Video costs $0.800/clip on FairStack as of 2026-07-25. This price includes FairStack's transparent 20% margin on infrastructure cost. No subscription or monthly fee — you pay per generation only. Minimum deposit is $1.

What is Sync Lipsync 3.0 Image-to-Video and what is it best for?

Sync Lipsync 3.0 Image-to-Video animates a single still photo into a talking-head video driven by your audio track. Unlike the v2 family (which requires existing video), v3 needs only a photo and a voice clip — upload both URLs and get a lip-synced avatar back. Premium tier at $0.1333 per output second ($8/min), positioned above Sync Lipsync 2.0 Pro ($5/min). Sync Lipsync 3.0 Image-to-Video is best for Talking avatars from a headshot, UGC-style spokesperson videos, Voice-over portraits. Available via FairStack's REST API with curl, Python, and Node.js SDKs.

Does Sync Lipsync 3.0 Image-to-Video have an API?

Yes. Sync Lipsync 3.0 Image-to-Video is available via FairStack's REST API at api.fairstack.ai. Send a POST request to /v1/generations/talkingHead with your API key and prompt. Works with curl, Python requests, Node.js fetch, and any HTTP client. No SDK installation required.

How does Sync Lipsync 3.0 Image-to-Video compare to other talking head models?

Sync Lipsync 3.0 Image-to-Video excels at Talking avatars from a headshot, UGC-style spokesperson videos, Voice-over portraits. It is a audio-driven model priced at $0.800/clip on FairStack. Key strengths: Net-new capability vs v2 (photo input), Simple integration. Compare all talking head models at fairstack.ai/models.

Start using Sync Lipsync 3.0 Image-to-Video today

$0.800/clip. Full API access. No subscription.

Start Creating