Talking Head audio-driven fal.ai

Stable Avatar

Stable Avatar 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 Stable Avatar API Quickstart Last updated 2026-03-23

How much does Stable Avatar 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 Stable Avatar 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": "stable-avatar",
    "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": "stable-avatar",
        "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: "stable-avatar",
      prompt: "Your prompt here",
    }),
  }
);

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

Frequently Asked Questions

How much does Stable Avatar cost?

Stable Avatar 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 Stable Avatar and what is it best for?

Stable Avatar 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 Stable Avatar have an API?

Yes. Stable Avatar 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 Stable Avatar compare to other talking head models?

Stable Avatar is a audio-driven model priced at $0.600/clip on FairStack. Compare it with other talking head models at fairstack.ai/models.