Voice Generation
Speak in any imaginable voice
Generate cinema-grade speech with expressive, lifelike delivery. Build entirely synthetic voices from a text description and design on demand.
The Voice AI Platform for Production
Every Voice. 30+ Languages. Ready for Production.
From cinematic text to speech and instant voice cloning to real-time voice agents and multilingual dubbing. SonicVox® is a unified AI ecosystem — built to ship voice, images, video, agents, and more — into worldwide business production.
Text to Speech
Cinematic, broadcast-grade
Voice Cloning
10-second clone, multilingual
Real-Time Agents
Low-latency turn-taking
Multilingual Dubbing
Localize video end-to-end
Voice Design
Describe a voice, get it
Speech to Text
Industry-leading accuracy
Voice Changer
Any recording, a new voice
Subtitle Creation
Frame-accurate timing
Launch Offer
Triple credits in your first month
Subscribe to the Standard Plan for only $89/mo. Your first month's Standard Plan purchase grants you 1,860,000 credits instead of 620,000 — triple the credits to use. It’s a One-Time Offer — only available within your first 30 days of SonicVox signup (Free or paid plans).
Your bonus credits are added to your account on your first Standard Plan payment · Your bonus credit usage window is 45 days and starts immediately after your Standard Plan subscription payment.
3×1,860,000 credits
Production-ready in 30+ languages — one platform, every workflow
EnglishSpanishMandarinJapaneseHindiArabicFrenchGermanPortugueseKoreanItalianTurkishRussianDutchPolishEnglishSpanishMandarinJapaneseHindiArabicFrenchGermanPortugueseKoreanItalianTurkishRussianDutchPolish
Every voice capability you need ...all in one place
Six categories cover the full voice production stack — from voice generation to final deployment.
Voice Cloning & Adaptation
Clone, change, and clean any voice
Zero-shot voice clones from 10 seconds of audio — voice conversion for recordings and one-pass voice cleanup that preserves identity.
Video & Dubbing
Localize video — end to end
End-to-end dubbing in 30+ languages, preserving the original speaker’s voice with automatic subtitle creation and burn-in.
Conversational AI
Real-time voice agents that ship
Low-latency turn-taking, full tool calling, and brand-ready voices. Build, test, and deploy voice agents in minutes—not months.
Audio Intelligence
Transcribe, separate, and analyze
Industry-leading transcription, multi-speaker separation, and quality scoring—all production-ready in a single pipeline.
Developer Platform
REST, streaming, batch, and webhooks
Simple HTTP APIs that work with any language, backed by a complete OpenAPI spec. Streaming endpoints, webhooks, and batch processing built for production.
17Production features
30+Languages supported
Low latencyTurnaround
99.9%Uptime SLA on enterprise agreements
From idea to deployed voice in four easy steps
No DAW, no studio booking, no model training. Pick voices, type or paste scripts, generate, and export.
STEP 01
Pick a voice or describe one
Browse 4,200+ premium voices, design your own from a text prompt, or clone a voice from 10 seconds of audio.
STEP 02
Drop in your text or audio
Type a script, paste a transcript, upload audio, or stream a live source—all through one seamless experience.
STEP 03
Direct the performance
Fine-tune pitch, pace, and pauses with intuitive sliders—or let your real-time agent handle it automatically.
STEP 04
Export, stream, or call via API
Render to MP3, WAV, or PCM, stream through the API, or connect to LiveKit for real-time conversations.
From script to studio-grade audio in seconds
Drop in your text, choose a voice, and click Generate. Pacing, emphasis, and multilingual rendering all happen automatically in a single production pass.
Live · SonicVox Studio
VoiceAria — Cinematic
Welcome to SonicVox. Every voice. Every language. Every use case.
CinematicEN-US · 48 kHz · stereo
00:04 / 00:12
Streaming starts in under a second30+ languages
Production audio, not demos
Every sample below was rendered by SonicVox. Tap a card to hear the take and see its visual signature.
EN → ES
Cloned Voice — Multilingual
30 seconds of source audio, cloned and rendered in Spanish while preserving the original speaker’s tone and cadence.
SonicVox
0:09Real-time
Conversational Agent — Sales Call
Live voice agent handling an inbound discovery call with low-latency turn-taking, natural interruptions, and dynamic context awareness.
SonicVox
0:08EN-US
Cinematic Narration — Long-Form
Broadcast-grade long-form narration with natural breathing, dynamic emphasis, and studio-quality pacing.
SonicVox
0:10What happens on every agent call
Every agent call runs through a single managed loop—low-latency turn-taking, live reasoning, and tool calling working together in real time.
Inbound Call
Customer dials in or joins via web
Listen
Live transcription with low latency
Reason
Understand intent, retrieve context, decide
Act
Call your CRM, calendar, or knowledge base
Respond
Reply in your brand voice — natural, on-brand
Low latency
Turn-taking latency
Unlimited
Tool calls per turn
Auto-scales
Concurrent calls
One API call to ship any voice, anywhere
REST and streaming endpoints, an OpenAPI spec, and webhooks. Generate audio from your stack, in any language, with first output in under a second.
generate.ts
// Node 18+ — no SDK needed, the REST API is the SDK.import { writeFile } from "node:fs/promises"; const res = await fetch("https://sonicvox.ai/api/v1/text-to-speech", { method: "POST", headers: { "sv-api-key": process.env.SONICVOX_API_KEY, "Content-Type": "application/json", }, body: JSON.stringify({ text: "Welcome to SonicVox.", voice_id: "VOICE_ID", // from GET /api/v1/voices output_format: "mp3", // mp3 · wav · opus · pcm }),}); await writeFile("welcome.mp3", Buffer.from(await res.arrayBuffer()));Response200 OK · audio/mpeg
audio/mpeg · 48 kHz0:04 / 0:12
voicearia — cinematic
languageen-US
characters22
cost100 credits
StreamingWebhooksBatchREST
Plain HTTP from any language. REST, streaming, batch, and webhook endpoints.
Read the docs→Every team that touches voice
Audiobooks, podcasts, and video at scale
Narrate backlists in days. Localize episodes in every market. Translate video without losing the talent.
What teams shipping with SonicVox actually say
"We replaced our voice talent budget with SonicVox. The quality is indistinguishable from studio takes, and our turnaround dropped from weeks to hours."
Is
Illustrative scenario
Composite example — not a customer quote · Northwind Media
"Localizing our learning library used to take a quarter. With SonicVox we ship every module in eight languages on the day it goes live."
Is
Illustrative scenario
Composite example — not a customer quote · Gravitas Industries
"The voice editor finally treats voice like a real medium. Our editorial team can sculpt a take without ever touching a DAW."
Is
Illustrative scenario
Composite example — not a customer quote · Cadence Studios
Frequently asked questions
Cinematic, broadcast-grade. Most listeners can't distinguish a SonicVox take from a recorded studio session.
Get Started
Ship your first voice product — this week
10,000 free credits per month. Voice cloning and API access start on paid plans. No credit card required.
10,000 free characters / month Voice cloning on paid plans API access on paid plans No credit card required
