Cartesia provides a real-time text-to-speech (TTS) API featuring expressive capabilities like AI laughter and emotion for conversational agents. This streaming TTS service offers ultra-low latency and context-aware accuracy across over 40 languages. Developers utilize the API for building engaging, human-like voice interactions in applications like customer support and gaming.
Funding
$26.7M raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.
+1Founders
Product
Problem
Many voice applications rely on cloud-based APIs, leading to latency, privacy concerns, and dependence on network connectivity. This limits real-time responsiveness and prevents use in offline environments.
Solution
Sonic offers a generative voice API powered by a state space model, enabling real-time, ultra-realistic voice synthesis directly on user devices. This on-device approach ensures fast and private user interactions without requiring constant internet connectivity. By performing inference locally, Sonic eliminates network latency and enhances data privacy, providing a seamless voice experience even in offline scenarios.
Target Audience
Primary customers are developers and companies building voice-enabled applications that require real-time performance, data privacy, and offline capabilities.
Features
- On-device, real-time voice synthesis using a state space model
- Low-latency inference for immediate responsiveness
- Enhanced user privacy through local data processing
- Offline functionality for uninterrupted voice experiences