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Playbook & Handbook · February 6, 2026
Winning Accelerator Playbook 2026 by BambuUP
EDTECH: LEVERAGING AI-POWERED TECHNOLOGIES TO TRANSFORM THE LEARNING EXPERIENCE
1. Technology overview
Soniox Inc. is a voice AI company based in Foster City, California, according to its terms of service. It provides speech-to-text, text-to-speech and speech translation through a single API, with dedicated pages for Indonesian, Vietnamese and Malay among 60+ languages.
The platform offers real-time streaming and asynchronous transcription with speaker labels, timestamps and language switching, handling mixed Indonesian-English speech without manual configuration. TTS v2 and real-time translation across language pairs sit on the same API. Listed customers include Samsung, LG, Agora, Fireflies.ai, Retell AI and Truecaller.
2. Highlighted features & specifications
- Real-time STT: streaming transcription with speaker labels, timestamps and language switching.
- Async STT: batch transcription of recorded audio in 60+ languages including Indonesian, Vietnamese and Malay.
- Text-to-speech: streaming and REST TTS v2 for voice agents.
- Speech translation: live translation between Indonesian and 60+ other languages.
- Code-switching: mixed Indonesian-English speech handled without manual language settings.
- Regional processing: in-region processing and storage in the US, EU, Japan and India.
3. Potential application
Vietnamese-language voice agents for bank and e-commerce call centres. Automatic transcription and analytics of recorded customer calls. Real-time interpretation between Vietnamese, Indonesian and English in regional sales meetings.
4. Benefits
One API covers transcription, speech synthesis and translation, which reduces vendor integration work. Usage-based pricing is published at about $0.10 per hour for async and $0.12 per hour for real-time STT. In-region processing is offered in the US, EU, Japan and India, and audio is not used to train models.
5. Market trends & opportunities
Voice agents and contact-centre automation in Southeast Asia depend on speech models that cope with code-switching between local languages and English. Vendors that cover Indonesian, Vietnamese and Malay in one API address demand from regional call centres and meeting-intelligence tools.
6. Other information
Soniox Inc., Foster City, California (per terms of service). Founders listed on the About page: Klemen Simonic (CEO) and Ambroz Bizjak (Chief Architect). Holds SOC 2 Type 2, ISO/IEC 27001:2022, HIPAA and GDPR compliance. Announced Soniox Sovereign Cloud in 2025-11 and v4 models in 2026-01 and 2026-02.
