Cartesia Raises $100M and Launches Sonic-3: 90ms Latency Voice AI with Emotional Intelligence
Stanford AI Lab founders secure $100M from Kleiner Perkins and NVIDIA for Sonic-3 voice AI—delivering human-like emotion, laughter, and 42-language support with 190ms end-to-end latency using revolutionary State Space Models.
October 28, 2025 9 min read cartesia sonic-3 voice-ai text-to-speech