Soniox

Foster City, CA, United States  All United States companies → — Founded 2020
Ambient Scribing / Documentation Clinical AI Platform
Family Medicine Hospital Medicine Internal Medicine
Documentation & Scribing
Early Stage VC (Seed or Series A is implied as a 'next key milestone' and 'funded company' with one institutional investor) — unknown
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Products

Soniox App
Soniox
Documentation & Scribing
Soniox App transcribes and summarizes conversations in real time and is built for physicians who need accurate records without manual note-taking. Speaker labels, action items, and searchable transcripts across 60+ languages. Works with German and 60+ other languages.
Freemium

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About Soniox

Soniox is an AI company specializing in advanced speech recognition, text-to-speech, and speech translation technologies. Their core innovation lies in their self-learning AI models, which leverage vast amounts of unlabeled audio and text data to achieve high accuracy in real-world environments, even with complex speech patterns, accents, and background noise. This unsupervised learning approach allows their systems to continuously refine their algorithms and improve performance across a wide range of topics and languages.

For physicians, Soniox offers solutions designed to significantly enhance the efficiency and accuracy of medical documentation. Their AI medical transcription services can capture and organize doctor-patient conversations in real-time, providing structured transcripts with speaker labels and automatic summaries. This capability aims to reduce the burden of manual note-taking, allowing healthcare providers to remain more engaged with patients. The technology also supports real-time translation for over 60 languages, facilitating clearer communication with diverse patient populations and addressing HIPAA-sensitive use cases by processing audio entirely in memory without storage. Soniox’s offerings include an app for transcribing and summarizing conversations, as well as an API for developers to integrate their speech AI into existing healthcare applications and workflows.

Focus Areas

Speech-to-Text Text-to-Speech Speech Translation Voice AI Multilingual AI Healthcare AI Medical Transcription Speaker Diarization Speaker Identification

Business Intelligence

Key InvestorsSamsung Venture Investment, Communitas Founders
PartnershipsAuthentic Interactions (Lookalike, StoryFile, Authentex), Tencent Cloud, LiveKit, Perplexity, Krisp, Deliver Health, Mobius, Fireflies.ai
Acquisitionsunknown
TechnologyCloud-native, AI-powered, unsupervised learning, real-time processing, unified API for speech-to-text, text-to-speech, and translation.
FDA Clearancesunknown cleared products (estimated)

What Physicians Need to Know

Speech-to-Text
Soniox offers real-time Speech-to-Text (STT) with high accuracy across 60+ languages, including accents, background noise, and overlapping speakers. It features automatic language detection and seamless mid-sentence language switching. Soniox claims 95%+ accuracy on datasets where Google scores 85%, and in head-to-head comparisons on medical and technical audio, Soniox reportedly achieves ~4-6% Word Error Rate (WER) compared to Google Video's ~12-15% WER and Amazon Transcribe's ~15-20% WER.
Text-to-Speech
Soniox Text-to-Speech (TTS) supports over 60 languages with native-speaker fluency and offers 200+ built-in studio-quality voices. These voices are tagged by gender, age, accent, use case, and style, and each voice works across all supported languages, maintaining consistent identity. It handles proper pronunciation of names, places, brands, and technical terms, even when originating from different languages. Soniox TTS also supports low-latency streaming for real-time responses.
Speech Translation
Soniox provides real-time speech-to-speech and speech-to-text translation across 60+ languages and 3,600 language pairs with ultra-low latency. The translation is built directly into the Speech-to-Text API, streaming translated text mid-sentence without waiting for full sentence completion. It is designed for code-switching environments where speakers mix languages mid-sentence.
Voice AI & Multilingual AI
Soniox is a real-time voice AI platform that unifies speech-to-text, text-to-speech, and translation in one API across 60+ languages. It emphasizes low latency, native-speaker accuracy, and seamless language switching, even within the same sentence. Soniox's AI models are designed to adapt to new vocabulary and acoustic environments continuously through a 'Self-Learning' approach.
Healthcare AI & Medical Transcription
Soniox offers AI medical transcription for clinical notes, transcribing and summarizing conversations in real-time. It is trained to recognize clinical vocabulary across specialties, including drug names, anatomical terms, and procedural language. The Soniox App provides automatic summaries with key points, decisions, and action items, and supports speaker labels and searchable transcripts across 60+ languages. Soniox's technology has been shown to increase efficiency in medical documentation with human editors by eightfold.
Speaker Diarization & Identification
Soniox provides highly accurate speaker diarization, which automatically detects and separates different speakers in an audio recording, assigning each spoken segment to a speaker label (e.g., Speaker 1, Speaker 2). Soniox Speaker AI has achieved 96% accuracy in detecting speakers, claiming to be 5x more accurate than solutions from Google, Microsoft, and Amazon. Speaker identification, which identifies specific speakers from a known list, is also offered.
Physician Tip

For physicians, Soniox stands out due to its exceptional accuracy in transcribing complex medical vocabulary and its ability to handle multiple speakers and accents in real-time. The platform's multilingual support allows for seamless communication with diverse patient populations, and its real-time summarization and action item extraction can significantly reduce documentation time. The emphasis on privacy and compliance, with audio processed in memory and never stored, is crucial for HIPAA-sensitive healthcare environments. Physicians can use the Soniox App for hands-free clinical documentation, allowing them to stay engaged with patients while the AI handles note-taking.

Soniox offers APIs and SDKs for developers and enterprises, allowing for integration into existing systems. It supports real-time streaming via WebSocket APIs. Soniox is also integrated with platforms like LiveKit and Pipecat for voice agent development. The platform is designed for global deployment with regional endpoints to support data residency and regulatory requirements.

Products by Soniox

1 product in the directory

Soniox App
Soniox
Documentation & Scribing
Soniox App transcribes and summarizes conversations in real time and is built for physicians who need accurate records without manual note-taking. Speaker labels, action items, and searchable transcripts across 60+ languages. Works with German and 60+ other languages.
Freemium

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Press & Coverage

Soniox
Soniox and Scribe elevate efficiency and accuracy of medical documentation
Soniox and Scribe partnered to integrate Soniox's speech recognition AI into Scribe's medical documentation platform, leading to an eightfold increase in efficiency and improved accuracy in medical documentation.
2023-11
Soniox
Soniox v5 Real-Time: Turning live conversations into structured intelligence
Soniox launched v5 Real-Time, a speech AI system designed to turn live audio into structured, machine-readable data, with improvements in alphanumeric recognition and formatting crucial for healthcare documentation.
2026-06
Business Wire
Soniox Releases Groundbreaking AI for Speaker Recognition
Soniox released a breakthrough in AI for speaker diarization and identification, achieving 96% accuracy in detecting speakers for business applications, which is 5x more accurate than solutions from Google, Microsoft, and Amazon.
2022-06
Forbes
Soniox Poised To Advance AI Speech Recognition Market With Increased Accuracy - Forbes
Soniox, founded in April 2020, launched its market offering in May 2021, aiming to be a more reliable alternative in AI speech recognition with its self-learning AI that leverages unlabeled audio and text data.
2021-05
Business Wire
Soniox Speech AI Achieves Extreme Accuracy
Soniox announced the release of groundbreaking speech recognition AI that achieves extreme accuracy, often surpassing human performance and outperforming other providers like OpenAI and Google.
2023-09
ar5iv
The Sound of Healthcare: Improving Medical Transcription ASR Accuracywith Large Language Models - ar5iv
This study explores how Large Language Models (LLMs) can enhance the accuracy of Automatic Speech Recognition (ASR) systems in medical transcription, using Soniox as a comparative benchmark.
2019-11
The Fast Mode
Tencent Cloud, Soniox Announce Strategic Partnership to Power Global Multilingual Voice AI Applications - The Fast Mode
Tencent Cloud and Soniox announced a strategic partnership to integrate Soniox's high-accuracy, low-latency speech-to-text (STT) technology with Tencent Cloud's Real-Time Communication (TRTC) infrastructure for global multilingual voice AI applications.
unknown
Soniox
Soniox App - Medical dictation app for healthcare professionals
Soniox App offers real-time medical transcription and summarization for healthcare professionals, accurately capturing clinical vocabulary across specialties, accents, and over 60 languages, while ensuring patient privacy by not storing recordings.
unknown

Frequently Asked Questions

Soniox offers a real-time, AI-powered speech-to-text platform that can be integrated into existing healthcare systems for medical transcription. Its multilingual AI and speech translation capabilities are particularly relevant for diverse patient populations, enabling accurate documentation and communication across different languages. The platform also includes speaker diarization and identification, which are crucial for accurately attributing speech in multi-speaker clinical environments.
Soniox prioritizes data security and privacy, which are critical for healthcare applications. While specific compliance certifications like HIPAA are often detailed in their security documentation or direct discussions, their focus on secure, real-time processing and enterprise-grade features suggests an architecture designed to meet stringent regulatory requirements. Healthcare providers should engage with Soniox directly to review their compliance documentation and understand their data handling protocols.
Soniox's platform is designed for integration, offering APIs and SDKs that allow healthcare providers to embed its speech-to-text, text-to-speech, and voice AI functionalities into their existing EHR systems. This enables seamless workflows for medical dictation, transcription, and voice-controlled interactions within the clinical environment. The ease of integration would depend on the specific EHR system and the technical resources available.
Soniox typically offers flexible pricing models that may include usage-based fees, subscription tiers, or enterprise-level agreements. Given the varying needs of healthcare organizations, it is common for AI solution providers to offer different pricing structures tailored to the volume of usage, the specific features required (e.g., multilingual AI, speaker diarization), and the scale of deployment. Direct consultation with Soniox sales would provide the most accurate and customized pricing information.
Soniox generally provides comprehensive support and documentation to facilitate the integration and adoption of its AI solutions. This can include technical support for developers, user training for healthcare professionals on utilizing the speech-to-text and voice AI features effectively, and ongoing maintenance support. The level of support often varies based on the partnership agreement and the size of the deployment.
Soniox's speaker diarization technology accurately identifies and separates different speakers in a conversation, which is crucial in multi-provider clinical settings where multiple physicians, nurses, or other staff may be contributing to a patient's record. Speaker identification further enhances this by recognizing specific individuals. This ensures that medical transcripts accurately attribute spoken words to the correct healthcare professional, improving the clarity, accuracy, and legal defensibility of the patient record.
Soniox is recognized as an innovator in real-time speech AI, indicating a strong technological foundation and a commitment to the field. While specific healthcare partnerships would typically be highlighted in their official communications or industry news, their focus on enterprise-grade, secure, and accurate speech solutions positions them as a stable and forward-thinking player in the healthcare AI market. Their continuous development in areas like multilingual AI and real-time processing suggests a long-term vision for enhancing communication and documentation in healthcare.

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