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March 30, 2026
GAPREMIERv26.03

Sonus TTS

State-of-the-art text-to-speech with zero-shot voice cloning and multilingual support. Hyper-realistic speech with fine-grained emotion control.

Speed
Performance
Context
4k chars
Price
$15.00 / $30.00 /1M chars

Try it

import sagea

client = sagea.Client(api_key="your-api-key")

audio = client.audio.speech.create(
    model="sonus-tts",
    input="Welcome to SAGEA. Engineering intelligence that feels alive.",
    voice="nova",
    response_format="mp3"
)

audio.stream_to_file("output.mp3")

Base URL: https://api.sagea.space/v1 — Auth: Authorization: Bearer $SAGEA_API_KEY

Specifications

Supported Languages30+
Max Input Length4,096 characters
Audio FormatsMP3, WAV, OGG, FLAC
Sample Rates16kHz, 24kHz, 44.1kHz
Latency< 200ms first byte
Other Models

Capabilities

Sonus TTS is SAGEA's state-of-the-art text-to-speech model with zero-shot voice cloning. It supports 30+ languages, streaming with ~200ms time-to-first-audio, and no transcript required for voice prompts.

  • Zero-shot cloning: clone from a 10-second sample via POST https://api.sagea.space/v1/audio/clone.
  • Multilingual: native-quality pronunciation across 30+ languages.
  • Emotion control: real-time emotion shifting (neutral, friendly, professional, excited, calm, warm).
  • Streaming: POST https://api.sagea.space/v1/audio/stream for conversational AI.

Benchmarks

MetricValue
Naturalness (MOS)4.6 / 5.0
Time-to-first-audio~200ms
Languages30+
FormatsMP3, WAV, OGG, FLAC (16 / 24 / 44.1 kHz)

Use cases

  • Voice assistants and conversational agents
  • Media narration and accessibility
  • Branded custom voices

Limitations

  • Max 4,096 characters per synthesis request — chunk long documents.
  • Cloned voices are billed at $30.00 / 1M chars. See Choosing a Model.

Next steps

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