Build real-time voice-driven applications using Soniox Speech-to-Text AI
Power voice agents, transcription pipelines, and call intelligence tools — with high accuracy, speaker recognition, and support for 60+ languages. Ready for enterprise-scale deployment.
Next generation of speech AI — built to scale with your business.
Multilingual support
One AI model that supports high accuracy audio transcription in over 60 languages — no switching, no per-language setup.
Real-time transcription
Multilingual low-latency transcription of live audio streams. Perfect for applications such as voice agents and live captioning.
Async file transcription
Transcribe audio files via URL or upload. Ideal for transcribing recorded meetings, interviews, and podcasts.
Speaker diarization
Automatically distinguish and separate speakers in a conversation, enhancing clarity in multi-speaker scenarios.
Custom vocabulary
Improve transcription accuracy by providing custom context, such as industry-specific terminology or brand names.
And more
See how our customers use Soniox Speech-to-Text AI
Non-English speaking audiences
Soniox AI's highly accurate transcription in over 60 languages enables global companies to address non-English speaking audiences and scale their apps to previously unreachable markets.
Personal assistants and voice agents
Soniox Websocket API seamlessly enhances voice assistant applications, providing real-time communication and responsive voice command triggering.
Medical documentation creation
Soniox REST API securely transcribes doctor-patient conversations with high accuracy, ensuring correct recognition of all technical medical terms. Soniox is SOC 2 Type 2 and HIPAA compliant.
Automated captioning and subtitle creation
Soniox Speech-to-Text AI speaker recognition and precise timestamps are used in creation of standard (SRT, VTT, etc.) subtitle formats directly from source audio and also to caption real-time news streams.
Call center analytics and agent training
Call centers use Soniox Speech-to-Text AI context customization to accurately transcribe unique brand names and internal jargon, enabling precise analytics, effective agent training, and robust quality assurance.
Building reliable voice-driven products is all about transcription accuracy
We conducted a comprehensive evaluation of the accuracy of various speech recognition providers in the industry — Soniox comes out on top.
Where do I start?
Soniox Console
Create your account and generate an API key. New users receive $200 in free API credits.
Soniox Docs
Read our comprehensive guides and learn how to use all of the powerful Soniox AI's features.
Soniox Discord
Got feedback, questions or just want to chat about AI? Join our Discord community.