The round was led by Index Ventures and brings the total capital raised to $27 million. The new funds will allow Cartesia to expand and accelerate their mission of building real-time, multimodal intelligence available on any device. Cartesia's SSM technology enables developers to build highly-efficient AI applications for a wide range of verticals like customer service, sales & marketing, robotics, healthcare, transportation, education, gaming, defense, security, and more.

Also participating in this round are venture funds like A* Capital, Conviction, General Catalyst, Lightspeed, and SV Angel, along with 90 prominent angel investors including the Founders of Abridge, Airtable, Captions, Cognition, Cohere, Databricks, Datadog, Hugging Face, Hubspot, Infinitus, Llamaindex, Mercury, Mistral, Okta, Perplexity, Pika, Pinterest, Postman, Ramp, RunwayML, Snorkel, Sonos, Together AI, Tripedot Studios, Typeface, Vercel, Weaviate, Weights and Biases, and Zapier.

Cartesia is on a mission to build the next generation of AI: ubiquitous, interactive intelligence that runs wherever you are. Their pioneering state space models (SSMs) and platform enable developers to build real-time, multimodal AI systems, starting with the world's fastest generative voice API Sonic. Led by a group of Stanford researchers and engineers, Cartesia is at the forefront of AI innovation, delivering highly efficient, scalable solutions that power real-time applications across industries like healthcare, robotics, gaming, and more.