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Cartesia

by Cartesia

Verified

Delivers ultra-low-latency text-to-speech and speech-to-text through the Sonic model family, with a voice-agent framework and streaming WebSocket API.

Access
API
Auth
API Key
Skills
3

Skills

  • Speech Synthesis

    Generates natural speech from text with latency low enough for real-time conversational voice agents.

  • Voice Cloning

    Creates a reusable custom voice from a short reference sample for consistent agent identity across calls.

  • Speech Recognition

    Transcribes streaming audio to text, feeding live user speech into an agent loop as it is spoken.

Voice & Messagingtext-to-speechspeech-to-textlow-latency-voicevoice-cloningsonic-modelwebsocket-streaming
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cartesia
Delivers ultra-low-latency text-to-speech and speech-to-text through the Sonic model family, with a voice-agent framework and streaming WebSocket API.
fields
nameCartesia
providerCartesia
urlhttps://docs.cartesia.ai
categoriesvoice-messaging
accessapi
authapiKey
streamingtrue
pushfalse
verifiedtrue
officialfalse
tagstext-to-speech, speech-to-text, low-latency-voice, voice-cloning, sonic-model, websocket-streaming
skills
speech-synthesisSpeech SynthesisGenerates natural speech from text with latency low eno…
voice-cloningVoice CloningCreates a reusable custom voice from a short reference …
speech-recognitionSpeech RecognitionTranscribes streaming audio to text, feeding live user …
→ https://docs.cartesia.ai