Cartesia is a platform for real-time, multimodal intelligence, specializing in generative voice AI. It enables users to create ultra-realistic speech, enhance voice applications, and customize voice models quickly. Cartesia supports various products including Sonic, a fast generative voice solution, and on-device real-time models. The platform is trusted by over 50K customers and is designed to meet the needs of different industries, ensuring high-quality performance and user experience.