About SonicVoxSonicVox is the unified voice infrastructure for modern teams — natural multilingual speech, instant voice cloning, real-time dubbing, and conversational agents on a single platform. We believe voice should be a primitive of the internet, not a premium feature.
For the last decade, voice technology lived behind walled APIs — fragmented across vendors, expensive at scale, and impossible to compose. Teams who wanted to add great voice to their product had to stitch together half a dozen services, accept high latency, and pay per character even at proof-of-concept.
We started SonicVox because we saw the same broken pattern repeating across every team building voice. Creators couldn't clone their own voice without giving up rights to it. Localization teams burned weeks on dubbing pipelines that broke on the first edge case. Product teams shipped support agents that sounded like robots from 2010.
We set out to build the opposite — one platform that unifies the entire voice stack. Generation, cloning, dubbing, agents, intelligence — all on one bill, one API, one team. Built so a solo creator and a Fortune 500 enterprise can use the same primitives.
Four principles guide every product decision we make — from how we price our APIs to how we treat the voices our users clone.
Every voice cloned on SonicVox stays the property of the person who created it. We never resell your voice, train foundation models on it, or expose it to other tenants.
We would rather ship one voice engine that holds up under production load than nine that sound great in the demo and break at scale.
Sub-300ms first-byte audio is the difference between a real-time conversation and a delayed one. We design every layer of the stack around it.
Generous free tier, transparent per-character pricing, no surprise minimums. We win when our customers ship — not when they hit a quota wall.
A snapshot of the platform powering production voice workloads today.
A short timeline of what we have shipped and what comes next.
A small team of voice and ML engineers comes together with one thesis: every product team will need voice infrastructure within five years, and the existing market does not serve them.
TTS and voice cloning launch on a unified API, supporting 12 languages out of the gate. The first 1,000 developers join the platform.
End-to-end video dubbing with lip-sync ships. Language coverage expands to 30+. First enterprise contracts close.
Conversational agents with sub-300ms latency on top of LiveKit. Streaming TTS and speech controls reach GA.
A unified meaning-aware orchestration layer rolls out across all voice products — context understanding, ambiguity resolution, and engine routing in one place.
SonicVox is one platform with three different doors. Pick the one that sounds like you.
Generate, clone, and dub voice without leaving your editor. Keep ownership of every voice you create.
A unified API for TTS, cloning, transcription, and real-time voice. SDKs and speech controls included.
Scale voice across languages, channels, and regions with the controls enterprises need from day one.
10,000 free credits per month. Voice cloning and API access start on paid plans. No credit card required.
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