Voice Speech to Text fal.ai

Whisper (STT)

Whisper (STT) costs $0.0024/req on FairStack · a speech to text model for voice 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

$0.0024/req

API Quickstart Last updated 2026-09-24

How much does Whisper (STT) cost?

Metric

FairStack

Details

Price per generation

$0.0024

Includes 20% margin

Subscription

None

Pay per generation only

How do I use the Whisper (STT) API?

curl

curl -X POST https://api.fairstack.ai/v1/generations/voice \
  -H "Authorization: Bearer $FAIRSTACK_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "fal-whisper",
    "prompt": "Your prompt here"
  }'

Python

import requests

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

result = response.json()
print(result["url"])

Node.js

const response = await fetch(
  "https://api.fairstack.ai/v1/generations/voice",
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.FAIRSTACK_API_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      model: "fal-whisper",
      prompt: "Your prompt here",
    }),
  }
);

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

Frequently Asked Questions

How much does Whisper (STT) cost?

Whisper (STT) costs $0.0024/req on FairStack as of 2026-09-24. 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 Whisper (STT) and what is it best for?

Whisper (STT) is a speech to text AI model available on FairStack for $0.0024/req. It is best for voice generation. Access via REST API with full documentation.

Does Whisper (STT) have an API?

Yes. Whisper (STT) is available via FairStack's REST API at api.fairstack.ai. Send a POST request to /v1/generations/voice with your API key and prompt. Works with curl, Python requests, Node.js fetch, and any HTTP client. No SDK installation required.

How does Whisper (STT) compare to other voice models?

Whisper (STT) is a speech to text model priced at $0.0024/req on FairStack. Compare it with other voice models at fairstack.ai/models.