Create extraordinary voice experiences in 60+ languages with expressive control, exceptional precision, instant voice cloning, and low-latency streaming.
$0.70 per generated hour.
Trusted by teams building global voice products
A new standard for AI speech #
Natural, expressive, and multilingual speech with unprecedented control over how every voice sounds and performs.
Direct every performance
Audio tags let you direct emotion, delivery, and vocal reactions, from whispers, laughter, and hesitation to excitement, tension, and reassurance.
Speech that feels human
Soniox generates speech with natural rhythm, pacing, emphasis, and expression, adapting its delivery to the meaning of the text.
Natural and expressive
I thought I knew exactly how the evening would unfold. Then the phone rang. For a moment, I considered letting it go to voicemail—but something told me to answer.
Conversational
Absolutely. I found three flights that arrive before noon. The first is the least expensive, but the second gives you a much shorter connection. Would you like me to compare them?
Storytelling
By the time we reached the top of the hill, the sun was already beginning to set. We stopped for a moment, looked back at the road behind us, and realized the entire valley had turned gold.
Exceptional quality in 60+ languages
Hear the same voice deliver natural, expressive speech across 60+ languages with consistent quality, identity, and pronunciation.
Mix languages naturally
Soniox handles foreign names, technical terminology, and language changes naturally within one continuous utterance.
Your reservation is confirmed. Cuando llegues al hotel, muestra este código en recepción: ES-4928.
The meeting has been moved to Tuesday. Merci de confirmer votre disponibilité avant la fin de la journée.
To enable the new feature, open Settings and select 음성 복제, then tap Continue.
Your order is ready for pickup. 店頭で注文番号 A-7392 をお見せください.
The deployment completed successfully. Bitte prüfen Sie jetzt die Produktionsumgebung und bestätigen Sie, dass alles funktioniert.
Clone any voice from seconds of audio #
Create a high-fidelity voice clone that preserves the speaker’s identity, accent, rhythm, personality, and expressive range.
From everyday recording to studio-quality speech
Record anywhere. Soniox removes background noise, echo, and recording artifacts to create a clean, faithful voice clone.
More than imitation
Generate entirely new speech that sounds natural, expressive, and unmistakably like the original speaker.
Exact speech #
Complex terminology, names, numbers, and structured information spoken clearly and precisely.
Built for every domain
From medicine and science to law, finance, and engineering, Soniox accurately pronounces specialized terminology across fields of human knowledge. The differential diagnosis includes pheochromocytoma, hyperthyroidism, and supraventricular tachycardia.
Deoxyribonucleic acid is transcribed into messenger RNA before translation occurs at the ribosome.
The court applied the doctrine of promissory estoppel and remanded the case for further proceedings.
The portfolio uses collateralized loan obligations, interest-rate swaps, and inflation-linked securities.
The system uses asynchronous replication, Byzantine fault tolerance, and hardware-accelerated cryptography.
Alphanumerics spoken correctly
Phone numbers, email addresses, verification codes, prices, dates, addresses, and identifiers are spoken clearly and precisely.
You can reach our support team at +1 415 682 9074.
Send the completed form to alex.chen+support@example.com.
Your verification code is 7Q4M9B. I repeat: 7Q4M9B.
Your delivery is going to 1427 North St. Andrews Place, Apartment 6B, Los Angeles, California 90028.
Your case number is CX-8047-A19, and the affected device is model XR-12 Pro.
Your total is $1,284.37, including tax and delivery.
Your appointment is scheduled for October 21, 2026, at 8:45 a.m.
Names pronounced naturally
Soniox uses language and context to pronounce people, places, brands, and organizations naturally and accurately.
Your appointment with Siobhan O’Connor is confirmed.
Nguyễn Minh Anh will be joining the meeting shortly.
Our Asian engineering office is located in Guangzhou.
Your hotel is located near the historic center of Aix-en-Provence.
The application is deployed on Kubernetes across several regions.
The workload runs on NVIDIA H100 GPUs.
Built for real-time conversation #
low-latency streaming with precise control over what has already been spoken.
Speech starts before the sentence ends
Start playback while text is still streaming, without waiting for the full message.
Absolutely, I can help you change your reservation. What date would work better?
Precise timing for every character
Character-level timestamps let applications synchronize text and audio, stop cleanly during interruptions, and continue from the correct point.
Faster, more responsive speech
Reduce s between sentences and punctuation while preserving natural, fluent delivery.