Cartesia is advancing the field of voice AI with the launch of its latest model, Sonic 2.0, following a successful $64 million Series A funding round led by Kleiner Perkins. The company has developed a voice generation model that is faster and more controllable than its predecessor, offering twice the size yet improved speed and is preferred by users over other providers. Sonic 2.0 enhances voice cloning capabilities, capturing complex accents and soundscapes, and introduces new features like 'Voice Changer' and 'Infill' for audio customization and editing. Cartesia's platform, designed for developers, boasts enterprise-grade infrastructure with high reliability and compliance standards, supporting real-time deployments. The company is committed to ongoing research to advance future audio models, focusing on areas like streaming architectures and on-device inference.