The voice platform for every language
Speech-to-text, text-to-speech, and translation built for real-time products with unmatched accuracy in 60+ languages.
Trusted by teams building global voice products
For developers, individuals, and teams
For developers
Build with the Soniox API
Power your products with speech-to-text, text-to-speech, and translation in 60+ languages through a single API.
Build with APIarrow_right_altfrom soniox import SonioxClient
soniox = SonioxClient(api_key="SONIOX_API_KEY")
# Speech-to-text
transcript = soniox.speech_to_text("audio.wav")
# Speech translation
translation = soniox.translate_speech("audio.wav", to="es")
# Text-to-speech
audio = soniox.text_to_speech("Hola, ¿cómo estás?")For individuals & teams
Use the Soniox App
Transcribe meetings, generate summaries, and type with your voice on mobile, desktop, and web.
Get the Apparrow_right_alt
Built for the hardest parts of voice AI
Most voice platforms were built for English first. Soniox is built for high accuracy across 60+ languages, seamless language switching, alphanumerics, and low-latency interaction.
Understand speech as it happens
Transcribe and translate speech in real time across 60+ languages, with native-speaker accuracy in multilingual, language-switching, and multi-speaker conversations.
Explore Speech-to-Textarrow_right_alt
Generate speech as it should sound
Generate natural, high-fidelity speech in 60+ languages, built for alphanumerics, names, borrowed words, language switching, and other hard production TTS cases.
Explore Text-to-Speecharrow_right_altNative-speaker accuracy
Unmatched recognition accuracy across languages, accents, numbers, names, and domain-specific vocabulary, engineered for fast, multi-speaker conversations and high-noise environments.
Text-to-speech built for precision
Generate high-fidelity, hallucination-free speech in 60+ languages. Built for the hardest production TTS challenges: alphanumerics, foreign names, language switching, and ultra-low-latency streaming.
Low-latency streaming for live interaction
Transcribe speech with sub-200ms latency and start generating audio from the first few words, before the full sentence is available.
Translation for multilingual conversation
Real-time, context-aware translation across 60+ languages and 3,600+ language pairs, engineered for code-switching environments where speakers switch languages mid-sentence
One global API, deployed locally
Use the same models and API everywhere, with in-region processing to meet latency, data residency, and regulatory requirements.
Soniox Data Residencyarrow_right_altBuilt for agents, dictations, and everything in between
From real-time conversations to large-scale workflows, Soniox gives developers a complete speech platform for building fast, accurate, multilingual voice products.
Voice agents
Power conversational AI with low-latency speech recognition and natural speech output built for responsive, human-like interactions.
Wearables
Deliver live voice experiences on devices that need streaming speech recognition and speech generation with minimal delay.
Speech translation
Translate spoken content in real time across 60+ languages with high accuracy. Build speech-to-text or speech-to-speech translation directly into your product.
Dictation and voice typing
Turn speech into clean, reliable text for messages, notes, documents, and workflows where accuracy matters.
Stop stitching together voice providers. One voice platform for speech-to-text, text-to-speech, and translation in 60+ languages. Built for low latency, multi-region deployment, and unmatched multilingual accuracy.
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.
Adhering to leading global security, privacy, and compliance standards.
Trusted where privacy matters most.
Used in industries where speech is sensitive, from healthcare to enterprise.
Powering the world's most demanding products
From global enterprises to frontier AI labs, teams choose Soniox for the accuracy, speed, and scale their products demand.
Perplexity integrated Soniox to power a best-in-class voice experience for millions of Perplexity users.
A global technology leader using Soniox across internal meetings, call centers, and government projects in Korea.
Using Soniox for real-time captions and voice interactions, helping bring faster and more natural speech experiences to users.
Using Soniox to power transcription and real-time speech translation across meetings and contact center products.
An enterprise AI agent platform, using Soniox to power voice AI agents across non-English markets where best-in-class voice AI is scarce.
Pioneers in AI-powered healthcare technology, dedicated to transforming the way healthcare providers deliver care.
Using Soniox for best-in-class real-time captioning in its widely used meeting notes platform.
Trusted by millions of people worldwide, using Soniox to power highly accurate transcription for phone calls and voice messages across multiple languages.
“It just gets the words right — any language, any accent, any context. That’s what accuracy is supposed to look like.”
Tony Wang
Cofounder & Chief Revenue Officer at Agora
“We tried a dozen speech-to-text and translation services. Soniox is the best, so that's what we use.”
Cayden Pierce
CEO/CTO at Mentra
A fast-growing real-time translation app, using Soniox to power low-latency speech translation for seamless multilingual communication.
“As the leading provider of voicebots for automotive dealerships in Germany, we’ve faced significant challenges recognizing license plates accurately. Soniox has solved this problem with exceptional recognition of alphanumeric sequences, resulting in a much higher acceptance rate for our voicebot.”
Dr. Steven Zielke
Founder & CEO of mobilApp
“It’s so fast, captions appear before people even finish talking. Zero lag. No buffering. Nothing.”
Dag-Inge Aas
Head of AI at Tana
Compare Soniox side by side
Compare Soniox side by side with other providers across speech-to-text and text-to-speech. Live inputs. Transparent results.
Latest news from Soniox
Frequently asked questions
What is Soniox?arrow_downward
What does “speech AI” mean?arrow_downward
What can I do with the Soniox App?arrow_downward
- Translate speech in real time between languages
- Dictate text into any app or text field
- Capture meetings, notes, and ideas automatically
What’s the difference between the Soniox App and the API?arrow_downward
Does Soniox offer a general-purpose speech-to-text API?arrow_downward
Can Soniox handle mixed languages in the same conversation?arrow_downward
Can Soniox distinguish between different speakers?arrow_downward
Is Soniox suitable for developers and enterprise use?arrow_downward
- High accuracy across accents and domains
- Scalable infrastructure
- Enterprise-grade security and compliance options
What makes Soniox different from other speech-to-text solutions?arrow_downward
- Real-time transcription without waiting for sentence boundaries
- Mixed-language support
- Strong handling of numbers, names, and domain-specific terms
- A single platform powering both an app and an API
Do I need to be a developer to use Soniox?arrow_downward
How do I get started?arrow_downward
- Build with API to integrate Soniox into your product or workflow
Ready to get started?
Create an account instantly, or contact us to design a custom package for your business.
Build with API arrow_right_altDocumentation
Get up and running in minutes and spend your time building the product, not wrestling with the API.
Explore docsSee what you’ll pay
Pay only for what you use with our flexible pricing. Built to scale with you.
Pricing details