Soniox Speech-to-Text
Features
- Single API for transcription, speaker diarization and any-to-any translation
- Accurate transcription of noisy audio, overlapping speakers and technical jargon
- Real-time code-switching for speakers mixing languages
- Translates between any pair of 60+ supported languages in real time
- Context hints for names and technical terms
- Ask Soniox assistant to query transcripts
- Local processing on mobile and regional data residency for HIPAA and GDPR compliance
- Streaming WebSocket API for live captions and voice agents
- Automatic speaker labeling and smart punctuation and formatting
- Web app, iOS, Android and SDKs such as Python and Node.js
Pricing Details
💵 Pricing (2026 Status) Soniox uses a competitive token-based pricing model that works out to very low hourly rates. Plan Price (App/Month) Key Features Free $0 10 free credits weekly; 60+ languages; real-time transcription/translation. Pro $19.99 Unlimited transcription, translation, and AI summaries; priority processing. Business $25 /user (Annual billing); Team management; shared projects; Sovereign Cloud selection. Developer API Pricing (Effective Hourly Rate): Asynchronous (Files): ~$0.10 per hour. Real-time (Streaming): ~$0.12 per hour. 🎁 Is the free version a trial or completely free? It is a Freemium model. The mobile and web app provides 10 free credits every week (with a bonus for referrals), which is generous for casual personal use. For developers, while the $200 free credit signup was discontinued in late 2025 due to abuse, they still offer pay-as-you-go entry points with no upfront costs.