Cartesia
Speech, transcription, and voice-agent APIs for live interactions.
What is Cartesia?
Cartesia is a voice AI platform that combines speech generation, transcription, and production voice-agent capabilities through one API. It is designed for applications that need responsive voice interactions.
Its Ink model handles streaming speech-to-text, giving builders a transcription component for live audio. The Sonic model provides text-to-speech for turning application output into synthesized speech.
Cartesia also offers a managed platform for building and shipping enterprise voice agents. This brings the models and agent workflow together for teams developing conversational voice products.
The same models and agents can run in cloud, on-premise, and on-device environments. In-region inference supports teams with latency, data-residency, or compliance requirements.
Cartesia Features
Unified voice interaction API
Cartesia exposes speech generation, transcription, and voice-agent capabilities through one API. The service is intended for applications that need sufficiently fast voice processing for live conversations.
Streaming speech-to-text
Ink is Cartesia’s streaming transcription model. It supplies a speech-to-text option for developers working on interactive audio features and real-time voice workflows.
Text-to-speech synthesis
Sonic is Cartesia’s text-to-speech model for producing synthesized voices from text. It gives product teams a speech output component alongside the platform’s transcription tools.
Flexible deployment environments
Cartesia can run the same models and agents across cloud, on-premise, and on-device deployments. In-region inference is intended to help teams work within latency, data-residency, and compliance constraints.
Pricing
Pricing not verified
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