CoquiMediumStandard

XTTS-v2

Coqui XTTS-v2 multilingual voice-cloning TTS. Clone a voice from a single short audio sample and speak in 16 languages — one of the most popular open-source voice cloning models.

26 credits

per generation

Voice cloning from one short audio sample

16 language support including Korean

Cross-language cloning (speak any language in the cloned voice)

Optional denoising for microphone recordings

Battle-tested open-source model (7M+ runs)

Run it right now

Test this model instantly in the Console Playground — no code required

Use with AI Assistant

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llms.txtllms.txt ↗

Quick Start

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "lucataco/xtts-v2",
  "input": {
    "speaker": "https://example.com/voice-sample.wav",
    "text": "안녕하세요, 이것은 제 목소리로 만든 한국어 음성입니다.",
    "language": "ko",
    "cleanup_voice": true
  }
}'

Parameters

Parameter	Type	Required	Default	Description
`text`	string	No	Hi there, I'm your new voice clone. Try your best to upload quality audio	Text to synthesize in the cloned voice
`speaker`	string	Yes	-	Original speaker audio to clone (wav, mp3, m4a, ogg, or flv)
`language`	string	No	en	Output language for the synthesized speech enesfrdeitptpltrrunlcsarzhhukohi
`cleanup_voice`	boolean	No	false	Apply denoising to the speaker audio (for microphone recordings)

How to Provide File Input

There are 3 ways to provide files for the speaker parameter:

Recommended

Direct Upload (Multipart)

Attach files directly to POST /v1/predictions/upload. No separate upload step needed.

curl -X POST "https://api.core.today/v1/predictions/upload" \
  -H "X-API-Key: cdt_your_api_key" \
  -F "model=lucataco/xtts-v2" \
  -F 'input={"prompt":"your prompt here"}' \
  -F "file:speaker=@your_file.png"

Image URL

Pass a publicly accessible URL directly. You can also use file_url from the Storage API.

{
  "model": "lucataco/xtts-v2",
  "input": {
    "prompt": "your prompt here",
    "speaker": "https://example.com/image.jpg"
  }
}

See the File Upload docs for more upload methods including Presigned URLs.

Common Parameters

Common parameters used when calling POST /v1/predictions.

Parameter	Type	Required	Default	Description
`model`	string	Yes	-	Model identifier
`input`	object	Yes	-	Object containing the model-specific parameters from the table above
`output_folder`	string	No	-	Folder path for output files (max 256 chars, '..' not allowed)
`webhook_url`	string	No	-	Webhook URL to call on completion
`is_public`	boolean	No	false	If true, output files are also available via permanent public URLs

Examples

Clone and Speak Korean

Clone an English speaker and have them speak Korean

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "lucataco/xtts-v2",
  "input": {
    "speaker": "https://example.com/voice-sample.wav",
    "text": "안녕하세요, 이것은 제 목소리로 만든 한국어 음성입니다.",
    "language": "ko",
    "cleanup_voice": true
  }
}'