Cartesia
Cartesia is an ultra-fast AI voice platform that generates realistic speech with 45ms latency and instant voice cloning.
What is Cartesia
Cartesia AI is a real-time voice generation platform that creates human-like speech with record-breaking speed and quality. The platform is built on State Space Models (SSMs), a new type of AI architecture that processes audio much faster than traditional methods.
Think of it as the difference between dial-up and fiber internet - Cartesia represents the next generation of voice technology. The platform offers two main services: text-to-speech that converts written content into natural-sounding voice, and speech-to-text that turns audio into written text.
What makes Cartesia special is its Sonic model, which can clone any voice from just seconds of audio and generate speech in 15 different languages. The platform also works on mobile devices and can run offline, making it perfect for apps that need instant voice responses without internet delays.
How to Use Cartesia
Getting started with Cartesia is simple and requires no technical experience. First, visit cartesia.ai and create a free account to receive 20,000 credits for testing. The platform offers both a web dashboard and API integration for developers.
For basic use, simply type or paste your text into the web interface, choose from pre-built voices, and generate speech instantly. Key steps include:
Select your voice - Choose from dozens of realistic voices or clone your own
Enter your text - Type what you want converted to speech
Adjust settings - Control speed, emotion, and pronunciation if needed
Generate audio - Click generate and download your audio file
For voice cloning, upload just 10-30 seconds of clear audio and the system creates a custom voice copy. Advanced users can integrate Cartesia into apps using the API, which supports real-time streaming for live conversations. The platform includes detailed documentation and code examples for popular programming languages. Remember to check your credit usage and upgrade plans as your needs grow.
Features of Cartesia
Ultra-fast 45ms voice generation latency
Instant voice cloning from audio samples
15 language support with accent localization
Real-time streaming and batch processing
On-device and cloud processing options
Commercial use rights included
Enterprise security and compliance
API integration for developers
Team collaboration and organizations
Speech-to-text transcription capabilities
Cartesia Pricing
Free
Free
- 20,000 credits monthly
- 2 concurrent requests
- 15 languages support
- Discord support
- Voice changer and localization
- Dashboards and infilling
- Personal use only
Pro
$5 /mo
- 100,000 credits monthly
- 3 concurrent requests
- Instant voice cloning
- Commercial use rights
- All Free features included
- Priority support
Startup
$49 /mo
- 1.25 million credits monthly
- 5 concurrent requests
- Organizations support
- Pro voice cloning features
- All Pro features included
- Team collaboration tools
Scale
$299 /mo
- 8 million credits monthly
- 15 concurrent requests
- Advanced voice controls
- High-quality audio formats
- All Startup features included
- Priority technical support
Enterprise
Custom
- Custom credits and SLAs
- Custom concurrency limits
- Fine-tuning voice models
- Single Sign-On (SSO)
- SOC-2 Type II compliance
- HIPAA compliance
- Dedicated Slack support
- All Scale features included
Cartesia Use Cases
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