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Soniox Speech-to-Text

Soniox Speech-to-Text

Soniox | Speech-to-Text AI

Soniox Speech-to-Text Overview

Soniox provides a real-time voice AI platform that turns speech into text and translations instantly across 60+ languages. It supports both an API for building speech into products and the Soniox App for capturing conversations, generating summaries, and voice typing. The platform handles real-world speech with features like mid-sentence language switching, speaker separation, endpoint detection, and context customization. Transcription and translation stream without waiting for sentence boundaries, supporting 3,600 language pairs. Audio processes in real-time from live streams or recorded files, with sub-200ms latency, 99.9% uptime, and privacy compliance including SOC 2 Type II and HIPAA readiness.

Soniox Speech-to-Text Features

Real-time transcription without sentence boundaries Real-time any-to-any speech translation across 60+ languages Speaker diarization and separation Automatic language identification and mixed-language support Endpoint detection Context customization for domain-specific terms Smart Scribe for live transcription and summaries Voice Typing system-wide on desktop and mobile Translator for instant speech translation

How It Works:

  • Integration: Generate an API key, then call the Soniox REST or streaming endpoints.
  • Input: Submit live audio streams or uploaded files.
  • Processing: Soniox analyzes audio in real time or async, segmenting by speaker and language.
  • Output: Receive structured text with timestamps, speaker labels, and optional translations.
  • Context tuning: Supply domain hints or vocabulary to improve accuracy.

Pros & Cons

Pros:

Sub-200ms real-time latency keeps up with live speech.

Handles noisy real-world audio, accents, and overlapping speakers.

Built-in speaker detection works across 60+ languages.

Privacy-focused with no audio storage and SOC 2 Type II certification.

Cons:

Requires API integration for custom applications.

App and API usage tied to subscription model.

Advanced features like context customization need configuration.

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Soniox Speech-to-Text

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*Price last updated on Jan 28, 2026. Visit soniox.com's pricing page for the latest pricing.

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