Audio & SpeechActive

Kani-TTS-2 Text-to-Speech Model

Generates natural-sounding speech from text with support for multi-speaker voice cloning and fast inference capabilities.

Text to SpeechVoice CloneFast Inference

Model ID

kani-tts-2-en

Provider

nineninesix

Updated

Apr 13, 2026, 08:23

Support Wiro on G2

wiro playground—nineninesix/kani-tts-2-en

Updated Apr 13, 2026, 08:23

Overview

Kani-TTS-2 is a text-to-speech model designed for fast inference and multi-speaker voice cloning. It generates natural-sounding speech from input text and supports reference audio for voice cloning.

What you can build

Multi-character dialogue audio for games and animations
Voice-over content with personalized speaker voices
Automated podcast generation with custom voices
Interactive voice assistants with distinct speaker identities

Inputs

Dialogue: Text to generate audio from (with speaker tags like [S1], [S2])
Speaker Reference Audios: Optional reference audio files for voice cloning (up to 5 speakers)
Speaker Text Prompts: Optional text prompts corresponding to reference audios
Text Normalize: Option to normalize input text for better pronunciation

Outputs

Generated audio files in supported formats (.wav, .mp3, .m4a, .webm)
Multi-speaker audio with distinct voice characteristics

Recommended settings

Use reference audio files for consistent voice cloning
Enable text normalization for improved pronunciation
Test with short dialogue samples before full production

Limitations

Voice cloning requires high-quality reference audio for best results
Performance may vary with longer dialogue inputs
Limited support for non-English languages

Safety & compliance

Ensure all input text and audio references comply with copyright laws
Use generated audio only for intended purposes
Follow platform guidelines for audio content distribution

API quick start

Run kani-tts-2-en with a single API call.

POST https://api.wiro.ai/v1/Run/nineninesix/kani-tts-2-en

{
  "prompt": "Grounded in evolutionary biology and psyc…",
  "languageTag": "en_us",
  "inputAudio": "https://your-cdn.com/input.mp3",
  "inputEmbeddingSpeaker": "https://your-cdn.com/input.png"
}

curl

curl -X POST "https://api.wiro.ai/v1/Run/nineninesix/kani-tts-2-en" \
  -H "Content-Type: application/json" \
  -H "x-api-key: YOUR_WIRO_API_KEY" \
  --data-binary @- <<'JSON'
{
  "prompt": "Grounded in evolutionary biology and psyc…",
  "languageTag": "en_us",
  "inputAudio": "https://your-cdn.com/input.mp3",
  "inputEmbeddingSpeaker": "https://your-cdn.com/input.png"
}
JSON