Input
"Your appointment kal morning 10 baje hai."
Output
Same voice. Same rhythm. No language transition.
Enterprise Text-to-Speech That SoundsNatural in Every Language
Generate expressive, human-like speech across 99 global and 55 Indian languages with lowlatency, voice cloning, and enterprise-grade deployment. Built for voice agents, customer conversations,and multilingual applications at scale.
154 Languages
Global + Indian Languages
11 Voice Styles
Emotion & Expression
#1 Ranked
Blind Evaluation vs Google & Cartesia
<200ms
Streaming Audio
Text to Speech
Hear the Difference
Neutral
Clean read-speech (default). Best for professional, balanced delivery.
Capabilities
Built for Conversations,Not Just Narration
Natural Voice Quality
Generate speech that sounds conversational instead of robotic, even during long interactions.
Expressive Speech
Adjust tone, emotion, and speaking style without changing the underlying voice.
Native Multilingual Voices
Produce speech across global and regional languages while preserving natural pronunciation and accent.
Enterprise Deployment
Run the same voices in the cloud, private infrastructure, or completely offline.
Voice Cloning
Your Voice, Any Language,In Minutes
Zero-shot cloning from under 5 seconds of referenceaudio. >0.85 speaker similarity (SIM-O), carriedacross all 154 supported languages.
<5 Seconds154 LanguagesEnterprise Safe
01
UploadReference Audio
5-30 seconds, any language, phone-quality is fine.
02
PreviewInstant Clone
Generated in seconds. Compare cosine similarity against source.
03
DeployUse Anywhere
Same voice ID, callable across any of 154 languages via API.
Benchmark
Benchmarked Againstthe Best
31 evaluators. 23 Tier-1 Indian languages. Wilcoxon-confirmed.
Overall rank
#1against Google TTS and Cartesia
System
Avg Rank (lower is better)
1st-Place Wins
Wilcoxon vs. Shunya
#1Shunya Indian TTS
1.90
437
baseline
Google TTS
2.04
343
p = 0.043
Cartesia
2.06
356
p = 0.022
Indian Language Coverage, By Vendor
Shunya
55
Google TTS
23
Cartesia
23
Real speech
Built for the Way PeopleActually Speak
Real conversations aren't perfectly scripted. People switch languages,languages, change tone, and expect names to be pronouncedcorrectly. Zero TTS is designed to handle all of it naturally,without changing voices or adding extra configuration.
How Should It Sound?
"I'll be right there."
- Neutral
- Happy
- Empathetic
- Urgent
Your Pronunciation Dictionary
- Customer names
- Technical terms
- Medical terminology
- Acronyms
Output
Every important word is spoken exactly the way you define it, across every language and every voice.
Platform
One Voice Platform.Endless Applications.
Zero TTS powers every experience where natural, multilingualspeech matters. Build once,deploy everywhere with thesame voices, APIs, and infrastructure.
Zero TTS
Voice Agents
Power natural, real-time conversations with expressive multilingual voices.
Integrations
Works With Your Existing Voice Stack.
from livekit.agents import AgentSession
from livekit.plugins import shunyalabs, silero
session = AgentSession(
stt=shunyalabs.STT(language="auto"),
vad=silero.VAD.load(),
)Deploy anywhere
Ready for Enterprise Deployment
Cloud.
Instant scale.
Private Infrastructure.
Data residency.
Edge.
Offline. Low-latency. No GPU.