Talking Head audio-driven fal.ai

LTX 2.3 Audio-to-Video

LTX 2.3 Audio-to-Video costs $0.600/clip on FairStack — a audio-driven model for talking head generation. 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

$0.600/clip

Try LTX 2.3 Audio-to-Video API Quickstart Last updated 2026-03-23

How much does LTX 2.3 Audio-to-Video cost?

Metric

FairStack

Details

Price per generation

$0.600

Includes 20% margin

Per-second rate

$0.1000/sec

Billed per second of output

Subscription

None

Pay per generation only

How do I use the LTX 2.3 Audio-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": "ltx-2-3-audio-to-video",
    "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": "ltx-2-3-audio-to-video",
        "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: "ltx-2-3-audio-to-video",
      prompt: "Your prompt here",
    }),
  }
);

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

Frequently Asked Questions

How much does LTX 2.3 Audio-to-Video cost?

LTX 2.3 Audio-to-Video costs $0.600/clip on FairStack as of 2026-03-23. 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 LTX 2.3 Audio-to-Video and what is it best for?

LTX 2.3 Audio-to-Video is a audio-driven AI model available on FairStack for $0.600/clip. It is best for talking head generation. Access via REST API with full documentation.

Does LTX 2.3 Audio-to-Video have an API?

Yes. LTX 2.3 Audio-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 LTX 2.3 Audio-to-Video compare to other talking head models?

LTX 2.3 Audio-to-Video is a audio-driven model priced at $0.600/clip on FairStack. Compare it with other talking head models at fairstack.ai/models.