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Data as of May 29, 2026
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Cartesia
Real-time voice generation with state space model architecture
Audio & SpeechFounded 2023#2 of 12 in Audio & Speech
Updated May 29, 2026
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Company profile
What is Cartesia?
Cartesia is an AI company specializing in real-time voice generation through its API, utilizing state space models for unparalleled quality and ultra-low latency. Their technology enables developers to integrate high-fidelity, controllable, and multilingual speech synthesis into various applications like AI companions, gaming, and content creation. By focusing on advanced model architectures, Cartesia aims to set a new standard for interactive and dynamic audio experiences.
Latest company data
Primary data point
Downloads
818.8K/30d
- npm
- 181.6K
- PyPI
- 637.3K
Tracked packages: npm @cartesia/cartesia-js; PyPI cartesia
▲ +17%npm + PyPI: Updated 1d ago
Other data points
Dependent projects
44
- npm
- 8
- PyPI
- 36
Projects depending on tracked packages: npm @cartesia/cartesia-js; PyPI cartesia
npm + PyPI: Updated 11h ago
GitHub stars
122
Main repository stars
Updated 11h ago
Hacker News
2/30d
Position #4 in category discussion
Updated 11h ago
Repository health
Maintenance data from the main open-source repository.
Releases (30d)Source: GitHub release dataUpdates: WeeklyCaveat: Published releases in the last 30 daysMethodology →
0
About Cartesia
Cartesia is an AI company specializing in real-time voice generation through its API, utilizing state space models for unparalleled quality and ultra-low latency. Their technology enables developers to integrate high-fidelity, controllable, and multilingual speech synthesis into various applications like AI companions, gaming, and content creation. By focusing on advanced model architectures, Cartesia aims to set a new standard for interactive and dynamic audio experiences.
FoundersSam Witteveen, Karthik Raman, Siddharth Sharma
Funding
$32M · 1 roundRaised $32M total. Category position #2 of 12 in Audio & Speech.
Seed2024
$32MIndex Ventures, Battery Ventures
Investors
Battery VenturesIndex Ventures
Tracked packages (2)
1 npm, 1 PyPI
@cartesia/cartesia-js
npmMain npm package@cartesia/cartesia-js
Real-time voice generation with state space model architecture
cartesia
PyPIMain PyPI packagecartesia
Real-time voice generation with state space model architecture