Most advanced real-time speech-to-text translation
Translate live speech across 60+ languages and 3,600 language pairs with ultra-low latency, high quality, and true real-time streaming.
$0.18/hour real-time
Trusted by teams building global voice products
A breakthrough in real-time speech-to-text translation
Translate speech as it happens, with the accuracy, language coverage, and speed required for natural live conversations.
Built on Soniox native-speaker speech-to-text
Great translation starts with getting the original speech right. Soniox accurately recognizes accents, multilingual speech, names, numbers, and language switching before translating it.
Original speech
Live translation
High-quality translation across 60+ languages
Translate naturally across 60+ languages, including languages that have historically been poorly supported by speech translation systems.
Spanish
English
Any language to any language
Translate between 3,600+ language pairs, without routing everything through English.
Translation while people are still speaking
Soniox streams translated text continuously before the speaker finishes the sentence, enabling real-time conversations, captions, and voice experiences.
Original speech
Live translation
Preserve the details that matter
Names, phone numbers, addresses, emails, IDs, numbers, and domain-specific terminology stay accurate through recognition and translation.
Original speech
SpanishLive translation
EnglishOne-way or two-way translation
Translate any language into a target language, or enable natural two-way conversations between two languages in real time.
One-way translation
Any language
Spanish
English
Translate speech from any supported language into a single target language.
Ideal for live captions, multilingual meetings, broadcasts, lectures, events, customer calls, and other experiences where everyone needs to understand the conversation in one language.
Two-way translation
Spanish
Spanish
English
Translate live conversations between two languages in both directions.
Each person speaks naturally in their own language while Soniox continuously translates the conversation into the other, enabling real-time bilingual communication without switching modes or languages manually.
Translate between all supported languages
Real-time speech-to-text translation across 3,600 language pairs including support for mixed-language speech and language switching in conversation.
Speech infrastructure for massive scale
Build on one API and deploy in your region
Use the same models and API everywhere, with in-region processing to meet latency, data residency, and regulatory requirements.
Available: US, EU, Japan, India
Coming soon: Korea, Australia, Canada, Saudi Arabia, UK, Brazil
Run mission-critical systems with confidence
- 99.9% uptime
Production-hardened infrastructure with monitoring and redundancy. - low-latency streaming
Process speech in real time with low latency for responsive voice applications. - Priority support
Severity-based incident response with direct access to the Soniox team.
"Before Soniox, our international users always had a noticeably different experience. Now accuracy and responsiveness match across all regions…it feels like one system instead of five."
Alon Yair CTO of Onvego
Speech translation for global products
Soniox is built for developers and teams who need accurate, real-time speech translation at scale.
Voice agents
Build multilingual voice agents that understand users in one language and respond in another.
Use for support, sales, scheduling, healthcare, and global voice automation.
Live interpreters
Create real-time interpreter experiences for conversations, meetings, events, and business communication.
Bilingual conversation feels immediate instead of delayed.
Multilingual meetings
Translate live meetings across languages with captions, transcripts, summaries, and action items.
Support global teams without forcing everyone into English.
Customer support
Translate live customer calls while preserving names, numbers, addresses, and verification codes.
Give agents and customers a smoother multilingual experience.
Captions and subtitles
Generate real-time translated captions for broadcasts, webinars, classrooms, and live streams.
Translate speech as it happens, without long caption delays.
Accessibility tools
Build assistive products that help people understand speech across languages in real time.
Live captions, translated transcripts, and spoken translation.
Estimate your speech-to-text translation cost
Start translating live audio streams from ~$0.18/hour. Translation is built into Soniox Speech-to-Text API. Choose real-time or async translation and set your monthly volume below.
Pricing calculator
Stop overpaying for speech AI
1,000 hours of audio / month
Pricing assumptions
Based on public pay-as-you-go pricing. Enterprise discounts and committed-use contracts may differ. Some providers charge separately for certain features. The calculator uses the public price for the provider configuration that most closely matches Soniox.
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.
Soniox
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Deepgram
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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.
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.
Frequently asked questions
What is Soniox speech-to-text translation?
How many languages are supported?
What is the difference between one-way and two-way translation?
Does Soniox handle accents and multilingual speech?
Can Soniox handle names, numbers, and domain-specific terms?
What can I build with Soniox speech-to-text translation?
How fast is the translation?
Ready to get started?
Create an account instantly, or contact us to design a custom package for your business.
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Explore docsSee what you’ll pay
Pay only for what you use with our flexible pricing. Built to scale with you.
Pricing details