Soniox
Speech AI API that transcribes recorded files or live audio streams in 60+ languages, handles languages mixed within one conversation, and can translate speech in the same real-time call.
About Soniox
Multilingual products need transcription that copes with speakers switching languages mid-conversation, and adding a separate translation service on top adds cost and latency.
Who it’s for
- Developers building live captioning, voice agents or meeting tools that serve speakers of many languages
- Teams transcribing large volumes of recorded audio on a per-hour budget
When to consider it
Consider Soniox when you need one API for real-time and file transcription across many languages, with speech translation included rather than billed separately.
Tradeoffs & limitations
- Usage-based token pricing: async file transcription costs about $0.10 per hour of audio ($1.50 per 1M input audio tokens, $3.50 per 1M output text tokens) and real-time streaming about $0.12 per hour ($2.00 per 1M input audio tokens, $4.00 per 1M output text tokens); the pricing page lists no free plan.
- Cloud API only: you need a Soniox Console account and API key; official SDKs are offered for Python and Node.
SOTA overview · Documentation-based assessment · Sources & review method
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Sources & review method
Documentation-based assessment · Nov 1, 2026 · Prepared with AI assistance; not a hands-on benchmark.
Checked by SOTA · AI-assisted documentation review. Selection advice is our assessment; verify current requirements for your deployment.
Import history & original evidence
Soniox official website
Speech AI API that transcribes recorded files or live audio streams in 60+ languages, handles languages mixed within one conversation, and can translate speech in the same real-time call.
Based on official pages and announcements checked on 2026-11-01. No hands-on test, performance benchmark or popularity ranking is claimed.