# Cartesia AI

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/cartesia-ai

- Industry: Software
- Headquarters: San Francisco, US
- Website: www.cartesia.ai
- Total disclosed funding: $91M
- Latest round: Series A (Mar 11, 2025)
- Investors on record: 11

## About

Founded in 2023 by co-founders Karan Goel, Albert Gu, Chris Ré, Arjun Desai, and Brandon Yang and based in California, US, Cartesia AI, Inc. specialises in providing advanced generative voice technology through its Sonic API, enabling ultra-realistic voice synthesis for diverse applications such as virtual assistants and customer service. In October 2025, Cartesia AI, Inc. raised USD 100 million in venture funding from new investor NVIDIA Corporation, with participation from returning investors Kleiner Perkins, Index Ventures, and Lightspeed Venture Partners. The company’s core product suite includes tools like Sonic, software for real-time audio processing, and On-Device, a framework for running AI applications on hardware. These products support a range of functionalities, from voice-activated commands to multimodal data analysis, combining inputs from multiple sources like cameras, microphones, and sensors. Cartesia AI emphasises adaptability, allowing its solutions to be integrated into devices with varying levels of computational capacity. The company applications serve across technology, entertainment, and education. The company generates revenue through subscription model which cost USD 5 per month for USD 29 per month for startup and USD 299 per month foe scale. The company plans to use the March 2025 funding to advance its real-time generative voice AI models, improve efficiency, and scale its technology for diverse applications across industries. In November 2025, Cartesia AI, Inc. raised USD 100 million in venture funding from unspecified investors.

## Funding rounds

- Series A, Mar 11, 2025, $64M — Index Ventures, Kleiner Perkins, Lightspeed Venture Partners, Greycroft, Samsung NEXT Ventures, Dell Technologies Capital, Factory, A* Capital
- Series A, Dec 12, 2024, $27M — Index Ventures, Lightspeed Venture Partners, General Catalyst Partners, SV Angel, Factory, A* Capital, Conviction

## Investors

- Index Ventures (https://capitalatlas.ai/funds/index-ventures) — Series A
- Lightspeed Venture Partners (https://capitalatlas.ai/funds/lightspeed-venture-partners) — Series A
- General Catalyst Partners (https://capitalatlas.ai/funds/general-catalyst-partners) — Series A
- SV Angel (https://capitalatlas.ai/funds/sv-angel) — Series A
- Factory (https://capitalatlas.ai/funds/factory) — Series A
- A* Capital — Series A
- Conviction (https://capitalatlas.ai/funds/conviction) — Series A
- Kleiner Perkins (https://capitalatlas.ai/funds/kleiner-perkins) — Series A
- Greycroft (https://capitalatlas.ai/funds/greycroft) — Series A
- Samsung NEXT Ventures (https://capitalatlas.ai/funds/samsung-next-ventures) — Series A
- Dell Technologies Capital (https://capitalatlas.ai/funds/dell-technologies-capital) — Series A