Cartesia Secures $100 Million Investment From Kleiner Perkins Index Ventures Lightspeed And NVIDIA

Cartesia, a Silicon Valley-based AI voice technology company founded by Karan Goel, raised $100 million from top investors including Kleiner Perkins, Index Ventures, Lightspeed, and NVIDIA. Led by Goel and co-founder Albert Gu, Cartesia unveiled Sonic-3, a real-time text-to-speech model that delivers human-like conversations with laughter, emotional nuance, and just 190-millisecond end-to-end latency. Built on State Space Models (SSMs) instead of Transformers, Sonic-3 enables faster, more natural dialogue and supports 42 languages, positioning Cartesia as a frontrunner in the next generation of voice AI.

FOUNDER: Karan Goel

INVESTORS: Kleiner Perkins, Index Ventures, Lightspeed & NVIDIA

AMOUNT: $100,000,000

HQ: #SiliconValley

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