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Speechmatics vs Soniox

Side-by-side comparison of features, pricing, and ratings

Speechmatics
Speechmatics

Low-latency, multilingual speech-to-text with accent-agnostic accuracy and on-device deployment.

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Soniox
Soniox

Real-time speech-to-text, text-to-speech & translation API for 60+ languages.

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Pricing
Freemium
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Plans
$0/mo
From $0.24/hr (after 480 free minutes)
Custom
$1.50 per 1M input audio tokens; $3.50 per 1M input text tok
$2.00 per 1M input audio tokens; $4.00 per 1M input text tok
$4.00 per 1M input text tokens; $21.50 per 1M output audio t
Popularity
3.4k views
7.1k views
Skill Level
Intermediate
Advanced
API Available
Platforms
APIWebDesktopMobile
APIWebMobileDesktop
Categories
🎬 Video & Audio🎙️ Voice & Speech🏥 Healthcare
🎬 Video & Audio🎙️ Voice & Speech⚡ Productivity
Features
Real-time speech-to-text with <1 second latency
Speaker-aware transcription (diarization)
55+ languages and accents supported
Medical Model reducing errors on clinical terms by up to 50%
Text-to-speech (low-latency, English only)
Batch transcription for pre-recorded media
Custom vocabulary and formatting rules
Audio alignment for time-coded output
On-device deployment (e.g., Adobe Premiere Pro)
No data logging by default (privacy-first)
Multi-region cloud deployment
Custom model training
WebSocket and REST API support
Automatic volume discounts above 500 hours/month
Standards and Enhanced accuracy models
Real-time speech-to-text in 60+ languages
Streaming TTS with hallucination-free speech
Context-aware translation across 3,600 language pairs
Sub-200ms latency for live interaction
Native-speaker accuracy for accents and noise
Seamless language switching mid-sentence
Precise alphanumeric and name recognition
Multi-speaker conversation support
Low-latency streaming from first few words
One global API for STT, TTS & translation
In-region processing for data residency
SOC 2 Type 2, ISO 27001, HIPAA, GDPR compliant
Audio never stored; processed in memory only
SDKs for Python, Node, Web, React, React Native
Integrations
LiveKit
Adobe Premiere Pro
AI Media
NCI
Media Track
Prosodica
Cekura
GitHub
AWS
Google Cloud
Pipecat