Cartesia
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.
- Artificial Intelligence
- Developer Tools
- Software Only
Funding
Raised to date
$26.7MRaised 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.
+3Founders
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