Cartesia
San Francisco, California, United States · Artificial Intelligence, Audio, Machine Learning
Cartesia is a voice AI startup developing real-time generative AI models focused on reducing inefficiencies in modern AI. Founded in 2023 by Karan Goel and fellow Stanford researchers, the company emerged from Stanford's AI Lab and aims to enhance customer experiences through advanced voice technology. Cartesia's latest audio model, Sonic, has significantly reduced latency and is currently being u
Key facts
- Headquarters
- San Francisco, California, United States
- Employees
- 46
- Industries
- Artificial Intelligence, Audio, Machine Learning
- Status
- Private
- Website
- cartesia.ai
- Company page
Recent activity at Cartesia
Cartesia funding history
| Date | Round | Amount |
|---|---|---|
| Mar 2025 | Series A | $64.0M |
Leadership
- Albert Gu, Founder
- Brandon Yang, Founder
- Arjun Desai, Founder
- Karan Goel, Founder
Verified email and direct lines for Cartesia’s decision-makers are on Fundz. See plans — or book a 15-minute walkthrough.
Cartesia in the news
- Cartesia: The Fastest Real-Time Voice AI Platform. - Quasa.io (Jun 06, 2026)
- Cartesia Ships Sonic-3.6: A Streaming TTS Model That Now Leads Both Artificial Analysis Speech Arenas - MarkTechPost (Aug 18, 2026)
- Exclusive: Cartesia, voice AI startup, raises $64 million Series A - Yahoo Finance (Mar 11, 2025)
- How is Cartesia's Sonic-3 reshaping voice AI? - AIM Media House (Oct 28, 2025)
- Cartesia AI wraps 2024 with a $27 million seed fund, predicts AI trends for 2025 - The American Bazaar (Dec 30, 2024)
- Tencent Cloud and Cartesia Announce Strategic Partnership to Advance Real-Time Voice AI Experiences - PR Newswire (Nov 25, 2025)
- Cartesia claims its AI is efficient enough to run pretty much anywhere - TechCrunch (Dec 12, 2024)
- 20 startups reshaping AI-powered customer engagement — honored in Twilio’s 2025 Searchlight Awards - VentureBeat (Nov 16, 2025)
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About Cartesia: questions and answers
What does Cartesia do?
Cartesia is a voice AI startup developing real-time generative AI models focused on reducing inefficiencies in modern AI. Founded in 2023 by Karan Goel and fellow Stanford researchers, the company emerged from Stanford's AI Lab and aims to enhance customer experiences through advanced voice technology. Cartesia's latest audio model, Sonic, has significantly reduced latency and is currently being u
Where is Cartesia headquartered?
Cartesia is headquartered in San Francisco, California, United States.
How many employees does Cartesia have?
Cartesia has about 46 employees.
Has Cartesia raised funding?
Yes. Fundz has recorded 1 funding event for Cartesia. The most recent, Series A of $64.0M, was in Mar 2025.
Who leads Cartesia?
Albert Gu is a Founder at Cartesia.
What is the latest news on Cartesia?
On Mar 14, 2025, Cartesia, a voice AI startup, raised $64 million in Series A funding led by notable investors. The funds will be used to further develop their generative AI models focused on voice technology.
Source: Fundz records from SEC filings, press releases and company announcements. How Fundz measures data accuracy