Cartesia: Sonic 3
cartesia/sonic-3
active
tts
2 providers
Cartesia Sonic 3 streaming TTS with high naturalness and fine-grained volume, speed and emotion control, older than Sonic 3.5 but still served for compatibility.
AuthorCartesia
Languages1 languages
VoicesLoading...
Response formatsSynchronous: MP3 · WAV · PCM · µ-law · A-law
Streaming: PCM · µ-law · A-law
Streaming: PCM · µ-law · A-law
Statusactive
Providers
Different providers can host the same model. Choose one provider when you need a fixed backend, or let routing select among them.
ProviderSlugPer 1k charactersLatencyiFor TTS, latency is measured as time to first byte of audio. For STT, latency is measured as time to first token.ModesUptime
Cartesia
7 params
cartesia
$0.03738
—
Synchronous · Streaming
Together AI
5 params
together
$0.065
—
Synchronous
Supported languages
1 languages
English
en
Voices
Features
Text to speech
Generates spoken audio from text input.
text_to_speech
Streaming
Low-latency streaming TTS over WebSocket; raw PCM output (pcm_f32le/pcm_s16le/pcm_mulaw/pcm_alaw).
streaming
Synchronous
Synthesizes speech from fully-submitted text in a single synchronous request.
synchronous
Multilingual
Supports 44 languages.
multilingual
Voice cloning
Supports instant and professional voice clones.
voice_cloning
Speed & emotion control
Speed (0.6-1.5) and emotion (neutral/calm/angry/content/sad) control; volume control on Sonic 3+.
speed_emotion_control
Code
ElevenLabs SDK streaming TTS
Routes the ElevenLabs SDK through allmodels and streams the audio response.
import { ElevenLabsClient } from "elevenlabs";
const client = new ElevenLabsClient({
apiKey: process.env.ALLMODELS_API_KEY,
baseUrl: "https://api.allmodels.io/el"
});
const stream = await client.textToSpeech.stream("voice_id", {
text: "I'm sorry, Dave. I'm afraid I can't do that.",
modelId: "cartesia/sonic-3",
outputFormat: "mp3_44100_128"
}, {
queryParams: {
provider: {
"only": [
"cartesia"
]
}
}
});
const reader = stream.getReader();
for (;;) {
const { done, value } = await reader.read();
if (done) break;
// Write value to your response, file, or audio playback pipeline.
}