Soniox Speech-to-Text AI
Speech-to-text, text-to-speech, and translation API with real-time processing in 60+ languages.
| What is it | Speech-to-text, text-to-speech, and translation API with real-time processing in 60+ languages. |
|---|---|
| Pricing | Paid |
| Free tier | No |
| Platform | API |
| API | Yes |
| Works with | n8n |
| Best for | building voice AI agents, real-time meeting transcription |
| Domain registered | 2020 |
Data updated Aug. 1, 2026
What does Soniox Speech-to-Text AI do?
Soniox Speech-to-Text AI is a comprehensive voice platform that converts speech to text, generates speech from text, and translates between languages in real time. It handles 60+ languages with specialized accuracy for multilingual conversations, language switching, and complex vocabulary including names and alphanumerics. The platform processes audio with sub-200ms latency, making it suitable for live interactions where immediate response is critical.
What sets Soniox apart is its focus on multilingual accuracy and low-latency performance. The system maintains native-speaker recognition quality across accents and domain-specific terminology while operating in high-noise environments. It offers both speech-to-text and text-to-speech capabilities through a unified API, with built-in translation across 3,600+ language pairs. The service processes data in-region to meet privacy requirements including SOC 2, ISO 27001, HIPAA, and GDPR compliance.
Developers building voice-enabled products benefit most from Soniox Speech-to-Text AI. It serves teams creating voice agents, wearables, dictation tools, and real-time translation applications. Enterprise customers use it for call centers, meeting transcription, and government projects where accuracy and compliance are essential. The platform is trusted by companies like Perplexity, Samsung, and Agora for demanding voice applications.
Key features
What makes it stand outWho is Soniox Speech-to-Text AI for?
Who benefits most from this toolPricing
Speech-to-Text API
- per 1M tokens unit
- 3.5 input text tokens async
- 1.5 input audio tokens async
- 3.5 output text tokens async
- 4 input text tokens realtime
- 2 input audio tokens realtime
- 4 output text tokens realtime
- Async (file) transcription
- Real-time (streaming) transcription
- Custom instructions support
- Translation capabilities
Text-to-Speech API
- per 1M tokens unit
- 4 input text tokens realtime
- 21.5 output audio tokens realtime
- Real-time (streaming) speech generation
- Text-to-speech conversion
Trust & presence
Gallery
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