Cartesia Sonic
Low-latency text-to-speech from Cartesia
About model
Sonic is Cartesia's original text-to-speech model, built on state space models to deliver natural, expressive speech with low latency for real-time applications. It converts text to high-quality audio for voice agents, conversational AI, and content narration. Available on Together AI.
Low
Built on state space models for real-time speech
Natural
Expressive, natural-sounding synthesis
Streaming
Suited to live voice applications
- Low-Latency Speech: State space model architecture built for real-time voice generation
- Natural Voices: Expressive, natural-sounding speech synthesis
- Real-Time Applications: Designed for voice agents and conversational interfaces
- Available on Together AI: Serverless access through the Together AI API
API usage
Endpoint:
Model card
Architecture Overview:
• Text-to-speech model from Cartesia built on state space models
• Text input with audio output
Training Methodology:
• Cartesia's first-generation Sonic model, predecessor to Sonic-2 and later releases
Performance Characteristics:
• Low-latency speech generation suited to real-time voice applications
Prompting
Together AI API Access:
• Access Cartesia Sonic via Together AI APIs using the endpoint cartesia/sonic
• Authenticate using your Together AI API key in request headers
• Send text input to generate speech audio
• Available on Together AI with serverless access
Applications & use cases
Voice Agents:
• Power real-time conversational agents with low-latency speech
• Voice customer service and support assistants
• Add spoken responses to interactive apps
Content Narration:
• Narrate articles, documents, and audiobooks
• Generate voiceover for video content
• Produce spoken versions of written material
- TypeAudio
- Main use casesText-to-Speech
- Deployment
- Endpoint
- Price
$65.00 / 1M characters
- Input modalitiesText
- Output modalitiesAudio
- CategoryAudio
