Transcription for
Developers
The fastest, most affordable OpenAI-compatible Speech-to-Text API.
Transcribe hours of audio in seconds for just $0.15/hour.
-H "Authorization: Bearer YOUR_API_KEY" \
-F file="@/path/to/audio.mp3" \
-F model="whisper-1" \
-F diarization="true"
client = openai.OpenAI(
base_url="https://api.sonicapi.com/v1",
api_key="YOUR_API_KEY"
)
transcript = client.audio.transcriptions.create(
model="whisper-1",
file=open("/path/to/audio.mp3", "rb"),
extra_body={"diarization": True}
)
print(transcript.text)
const openai = new OpenAI({
baseURL: "https://api.sonicapi.com/v1",
apiKey: "YOUR_API_KEY"
});
const transcription = await openai.audio.transcriptions.create({
file: fs.createReadStream("audio.mp3"),
model: "whisper-1",
});
console.log(transcription.text);
$response = Http::withToken('YOUR_API_KEY')
->attach('file', fopen('/path/to/audio.mp3', 'r'), 'audio.mp3')
->post('https://api.sonicapi.com/v1/audio/transcriptions', [
'model' => 'whisper-1',
'diarization' => true,
]);
echo $response->json()['text'];
"text": "Welcome to the future of transcription. It really is this fast."
}
POWERING NEXT-GEN APPS
Why Switch to SonicAPI?
We've optimized Whisper V3 to run faster and cheaper than anyone else, without sacrificing accuracy.
Blazing Fast
Optimized inference engine delivers transcripts up to 3x faster than standard Whisper deployments. Real-time ready.
Unbeatable Price
At $0.15 per hour of audio, we are 40% cheaper than the competition. No hidden fees, pay as you go.
Speaker Diarization
Accurately detect and label multiple speakers in your audio. Perfect for podcasts, meetings, and interviews.
100+ Languages
Automatic language detection and translation to English included out of the box.
Drop-in Replacement
100% compatible with OpenAI's API format. Just change the base URL and your API key. No code rewrites.
Enterprise Privacy
Zero data retention policy for API usage. Your audio and transcripts are never stored or used for training.
The Smart Choice
| Provider | Cost / Hour | Diarization | Setup |
|---|---|---|---|
| SonicAPI | $0.15 | Included | Drop-in |
| OpenAI Whisper | $0.36 | No | Standard |
| Google Cloud STT | ~$1.44 | Extra Cost | Complex |
| Amazon Transcribe | ~$1.44 | Extra Cost | Complex |
Simple, Transparent Pricing
No subscriptions, no hidden tiers. Pay only for what you transcribe, with volume discounts available for enterprise needs.
- First 30 hours free (trial)
- $0.15 per hour after trial
- Per-second billing
PAY AS YOU GO
Roughly $0.0025 per minute.
Charged to the nearest second.
Includes full API access, all models, and support.
Ready to transcribe?
Get your API key in less than 2 minutes. No credit card required for the trial.