Any language. Any voice. Instantly.

Real-time multilingual speech AI for everyday use

Helping startups and enterprises ship real world voice apps

Voice AI that works in the real world

Most speech APIs break down outside the lab. Soniox transcribes, translates, and understands speech as it happens — in any environment. Production-ready from day one.

For developers

Build fast, fluid voice experiences with a single API.

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For everyone

See it in action with the mobile app.

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Used wherever people speak

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Smart agents. Live conversations. Better automation.

Build fast, responsive assistants and bots that understand speech in 60+ languages, and stay in sync with the conversation.

hearing

Devices that listen and understand.

Enable devices to understand anyone, anywhere. Fast, responsive, and light enough to run on anything from wearables to smart speakers.

language

Global meetings without language barriers.

Whether it's a team sync or global summit, Soniox translates speech instantly, keeping conversations smooth and everyone on the same page.

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Speak naturally. Miss nothing.

Whether you're dictating notes or capturing fast-moving conversations, Soniox keeps up. Delivering speaker-aware, structured speech-to-text in real-time.

Explore the API

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Smart agents. Live conversations. Better automation.

Build fast, responsive assistants and bots that understand speech in 60+ languages, and stay in sync with the conversation.

hearing

Devices that listen and understand.

Enable devices to understand anyone, anywhere. Fast, responsive, and light enough to run on anything from wearables to smart speakers.

language

Global meetings without language barriers.

Whether it's a team sync or global summit, Soniox translates speech instantly, keeping conversations smooth and everyone on the same page.

voice_selection

Speak naturally. Miss nothing.

Whether you're dictating notes or capturing fast-moving conversations, Soniox keeps up. Delivering speaker-aware, structured speech-to-text in real-time.

Explore the API

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Fluent at any speed

Watch Soniox keep up with fast speech in any language

Chinese to English in real-time with SONIOX

Very fast speaking Spanish translated in real-time in English with SONIOX!

Real time translation from Japanese to English

Real-Time Translation Demo | From German to English with SONIOX

French speech to Text | Leslie Talks About Monster eating a Cake

Russian to English with SONIOX

Speaking Super Fast in Italian – Soniox still translated every word into English

Korean to English in real-time with SONIOX

Real-Time from Slovenian to English with SONIOX

Valeria Juri Reads Ukrainian Poem “Мовчати” | Live English Translation by Soniox

Everything you need to build great voice apps

Soniox Speech-to-Text AI

Go global with one API

Production-ready speech recognition, transcription, and translation in 60+ languages. One platform, no patchwork, no rewrites.

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Real-time for live conversations

Token-level output in milliseconds makes your app fast, fluid, and human — perfect for voice-first tools and assistants.

Understands more than just words

Soniox detects language, tracks speakers, finds endpoints, and translates — all in one unified stream.

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Privacy and compliance, built right in

Never stored, never saved.

Audio stays in memory, everything is processed in real-time.

Built for privacy-critical use cases.

SOC 2 Type II–certified and HIPAA-ready from day one.

Trusted where privacy matters most.

Used in industries where speech is sensitive — from healthcare to enterprise.

SOC 2 Type 2 compliant

HIPAA compliant

GDPR compliant

What's new

The latest news and announcements from Soniox.

October 27, 2025

Free credits update for Soniox API

We’re discontinuing free API credits due to widespread abuse and spam signups.

October 21, 2025

Soniox v3

Soniox v3 is our most advanced speech AI yet — designed for accuracy, fluency, and speed at scale.

July 15, 2025

The fastest way to find out which voice AI actually works

Choosing a speech API isn’t just about specs. It’s about what happens when real-life audio hits the system.

June 17, 2025

Just launched: Real-time speech translation AI for the world

Today, we’re launching real-time multilingual speech translation in the Soniox API, as well as a brand new mobile app that brings the same technology to your pocket.

May 6, 2025

Introducing Soniox app

The first mobile app powered by a universal speech AI model that delivers real-time, high-accuracy transcription in over 60 languages.

April 25, 2025

One speech AI for the world

Soniox Speech-to-Text AI — a single, universal model that understands speech in over 60 languages, in real-time, with high accuracy. And more importantly, it works the way people actually speak.

January 19, 2024

Soniox 7B

Most powerful 7B large language model. Supports English and code with 8K context. Matches GPT-4 performance on some benchmarks. Built on top of Mistral 7B, enhanced with additional pre-training and fine-tuning for strong problem-solving capabilities.

December 13, 2023

German speech recognition AI

A small gift from Soniox before the holidays: a groundbreaking AI capable of recognizing German and English speech simultaneously with extreme precision.

December 6, 2023

Portuguese speech recognition AI

We are thrilled to announce our new groundbreaking AI that can simultaneously recognize Portuguese and English speech with extreme precision.

November 9, 2023

Soniox and Scribe elevate efficiency and accuracy of medical documentation

Soniox and Scribe are pleased to announce the integration of Soniox's groundbreaking speech recognition AI into Scribe's world-class platform and integration technologies for mobile and desktop.