Voice Freemium

Soniox

Multilingual speech APIs and apps for transcription, translation, and voice

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PricingFreemium
Starting price$0.12/audio-hour
Free planYes
Free trialYes
APIYes
Open sourceNo
DeploymentCloud
Last verifiedAugust 3, 2026
Overview

Tool overview

Soniox is listed under Voice AI tools.

Summary

What is Soniox?

Soniox provides real-time and asynchronous speech-to-text, text-to-speech, speech translation, and a cross-platform voice application. The platform supports 60+ languages, public APIs, streaming, speaker intelligence, and team workflows.

Best fit

Best for

Developers, teams, and individuals needing multilingual speech intelligence

Audience

Who is it for?

Speech application developersInternational teamsMeeting and call platformsAccessibility and translation users
Recommendation

Decision note

Rebuilt from the original export under V412/V411 independent factual verification. Preview only; Apply requires Failures = 0, Warnings = 0, Unmapped = 0, Missing = 0, reviewed explicit clears, image import disabled or V380 PASS, representative edit-screen comparison, and a zero-change post-Apply Preview.

Capabilities

Key features

Real-time and asynchronous speech-to-text

Live speech translation across 60+ languages

Text-to-speech and structured intelligence

Mobile, desktop, web, and public API access

Workflows

Use cases

Transcribe meetings and calls

Translate multilingual conversations live

Build speech-enabled applications

Generate summaries and action items

Strengths

Pros

  • Low public per-hour API pricing
  • Free consumer app plan
  • Broad cross-platform availability
Considerations

Cons

  • API and app pricing are separate
  • Enterprise discounts require discussion
  • Accuracy depends on audio and language conditions
Considerations

Limitations

The $0.12/hour reference applies to the current real-time STT configuration shown in the calculator.

The app free tier uses weekly credits and is not unlimited.

Cost

Pricing details

Pricing modelFreemium
Starting price$0.12/audio-hour
Free planYes
Free trialYes
Pricing context

Billing options

Usage-based APIFree app creditsMonthly or annual app subscription
Pricing context

Pricing note

The current API calculator shows Soniox real-time STT at $0.12/audio-hour. The consumer app has a Free plan with weekly credits and Pro at $19.99/month or $120/year.

View official pricing
Compatibility

Supported languages

  • 60+ languages
Connectivity

Integrations

REST API

WebSocket API

Official SDKs

Webhooks

Specs

Technical details

PlatformsWeb, iOS, Android, Desktop
Multilingual supportYes
Login requiredYes
Open sourceNo
DeploymentCloud
CompanySoniox, Inc.
Models / versionsSoniox v5 Real-Time Async STT TTS Speech Translation
Editions / plansFree, Basic, Professional, Organization, and Custom plans
Data confidenceHigh
Last verifiedAugust 3, 2026
Documentation → Data source →
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Answers

Frequently asked questions

Soniox provides real-time and asynchronous speech-to-text, text-to-speech, speech translation, and a cross-platform voice application. The platform supports 60+ languages, public APIs, streaming, speaker intelligence, and team workflows.
Developers, teams, and individuals needing multilingual speech intelligence
The listed pricing model for Soniox is freemium. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
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