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features
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support

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Description

The Cartesia Sonic-3 is an innovative real-time text-to-speech (TTS) model that produces highly realistic and expressive vocal outputs with minimal delay, allowing AI systems to engage in conversations that resemble human interactions. Utilizing a sophisticated state space model architecture, this technology provides superior speech quality while enabling audio generation to commence in as little as 40 to 100 milliseconds, creating a fluid conversational experience without noticeable pauses. Tailored specifically for conversational AI applications, Sonic serves as the vocal component for AI agents, transforming written text into speech that conveys a range of emotions, including excitement, empathy, and even laughter. With support for over 40 languages and the ability to localize accents, developers can create applications that maintain exceptional quality and accessibility for users around the globe. This versatility ensures that Sonic-3 not only meets the needs of various markets but also enhances user engagement through its lifelike voice capabilities.

Description

Miso Labs specializes in developing emotive voice foundation models aimed at enabling developers to create voice agents that exhibit a warm, human-like quality rather than sounding robotic or sluggish. Their premier offering, Miso TTS, features an impressive 8-billion-parameter transformer model that excels in generating emotive speech and dialogue, with open source weights accessible on Hugging Face and an API set to launch shortly. Miso is optimized for real-time conversational interactions, ensuring responses occur within 110ms to maintain a natural flow and eliminate the awkward silences often associated with AI voice agents. In addition, it offers one-shot voice cloning capabilities, which enable users to replicate a voice from just a ten-second audio sample while ensuring the agent's voice remains consistent throughout a conversation. Furthermore, Miso Labs prioritizes local and sovereign deployment options, providing open source models designed for local usage along with on-premises support for enterprise clients who need to secure their sensitive data. This comprehensive approach not only enhances user experience but also gives organizations the flexibility they need in managing their voice technology.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

Hugging Face No 

Integrations

Hugging Face Yes 

Pricing Details

$4 per month
Free Trial Yes 
Free Version Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars Yes 
Live Training (Online) Yes 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Cartesia

Founded

2023

Country

United States

Website

cartesia.ai/sonic

Vendor Details

Company Name

Miso TTS

Founded

2025

Country

United States

Website

www.misolabs.ai/

Product Features

Text to Speech

API No 
Adjust Speaking Rate / Pitch No 
Audio Optimization No 
Custom Lexicons No 
Different Voice Choices No 
Multi-Language Support No 
Synchronize Speech No 

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