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Soniox Speech-to-Text AI
Transcription
Freemium

Soniox Speech-to-Text AI

High-accuracy, real-time speech-to-text and translation API supporting 60+ languages with native-speaker precision and ultra-low latency for voice agents and apps.

Rating
0
Reviews
0
Upvotes
3 months ago
Listed
Transcription
Speech-to-Text
Real-time Transcription
Voice AI
Translation
Speaker Diarization
Voice Agents
Multilingual AI
Developer Tools
Tool information
Provider
Soniox
Platforms
Web
iOS
Android
Desktop
Languages
English
Spanish
Malayalam
German
French
Italian
Japanese
Chinese
60+ more
API Available
Yes
Added to directory
3 months ago
Last updated
about 2 months ago
Rating
Not available
Pricing
Freemium

About Soniox Speech-to-Text AI

What the tool does and who it's for

Soniox is a unified speech AI platform that provides high-accuracy, low-latency speech-to-text, translation, and text-to-speech capabilities across 60+ languages. Engineered for real-time production environments, it excels in challenging conditions like high noise, diverse accents, and code-switching where speakers transition between languages mid-sentence. The platform features advanced speaker diarization, automated language identification, and semantic endpoint detection for natural turn-taking in AI voice agents. Beyond the API, Soniox offers consumer-facing applications including Smart Scribe and Voice Typing, designed for meetings, accessibility, and personal productivity.

Key capabilities

Real-time and Asynchronous Transcription: Support for live audio streams and recorded file uploads up to 5 hours long.
Native-Speaker Accuracy: High-fidelity recognition of accents, alphanumerics, and domain-specific terminology.
Seamless Language Switching: Automatic language identification and handling of code-switching mid-conversation.
Advanced Speaker Diarization: Precise speaker labeling even in overlapping speech and multi-speaker environments.
Semantic Endpoint Detection: Intelligent turn-taking awareness that identifies when a speaker has finished.
Context Customization: Request-time vocabulary injection to improve accuracy for brands, names, and jargon.
Bidirectional Translation: Real-time translation between 60+ languages and over 3,600 language pairs.
Data Residency: Regional processing in US, EU, and Japan to meet strict regulatory and compliance standards.

Pricing

Freemium — plans below

API - Async (File)

$1.50 / 1M audio tokens

  • Approx. $0.10 per hour
  • High-accuracy v4 model
  • Automatic language identification
  • Speaker diarization
  • Translation included

API - Real-time (Streaming)

Most popular

$2.00 / 1M audio tokens

  • Approx. $0.12 per hour
  • Sub-200ms latency
  • Endpoint detection
  • Context customization
  • Two-way translation

App - Free

$0 / month

  • Smart Scribe & Translator
  • Voice Typing
  • Personal workspace
  • Weekly free credits
  • Record offline

App - Pro

$19.99 / month

  • Unlimited Smart Scribe
  • Unlimited Translator
  • Priority processing
  • Early access to features
  • Works offline and online

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