An index of frontier and emerging AI labs.
Voice
Real-time voice and state-space-model lab behind the Sonic TTS engine. Raised $64M Series A led by Kleiner Perkins in March 2025; spun out of Stanford's Hazy Research.
| Name | Cartesia |
|---|---|
| Space | Voice |
| Founded | 2023 |
| Latest valuation | — |
| Stage | — |
| Status | active |
| HQ | San Francisco |
| Founders | Karan Goel, Albert Gu, Arjun Desai, Brandon Yang |
| Website | https://cartesia.ai |
| Careers | https://cartesia.ai/careers |
| — | |
| X / Twitter | — |
No funding events recorded.
No founders recorded yet. Submit info.
| Date | Type | Title | Source |
|---|---|---|---|
| 2026-06-03 | added | Cartesia added to tracker | — |
No sources cited.
| Lab | Valuation | Founded |
|---|---|---|
| ElevenLabs | $11B | 2022 |
| Cresta | $1.6B | 2017 |
| Kyutai | >$1B | 2023 |
| Sesame | >$1B | 2023 |
| Inworld AI | ~$500M | 2021 |
| Hume AI | ~$220M | 2021 |
| Bland AI | ~$200M | 2023 |