Kokoro Text to Speech API

Kokoro Text to Speech is a text-to-speech model by hexgrad, available on the Venice API as tts-kokoro. It runs privately, with zero data retention.

Kokoro Text to Speech API pricing

Model ID	Variant	Privacy	Price
`tts-kokoro`	Standard	Private	$3.50 per 1M characters

Kokoro Text to Speech specifications

Spec	Value
Provider	hexgrad
Released	Mar 19, 2025
Privacy	Private
Open weights	Yes
Voices	54
Formats	mp3, opus, aac, flac, wav, pcm

How to use the Kokoro Text to Speech API

Send requests to POST https://api.venice.ai/api/v1/audio/speech with "model": "tts-kokoro" and your API key.

curl https://api.venice.ai/api/v1/audio/speech \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "tts-kokoro",
    "input": "Private AI for everyone.",
    "voice": "af_alloy",
    "response_format": "mp3"
  }' --output speech.mp3

Kokoro Text to Speech API FAQ

How much does the Kokoro Text to Speech API cost?

3.50 per 1M characters of input text, about

0.0029 per minute of generated speech. Prices are in USD and can be paid in DIEM at parity.

What is the Kokoro Text to Speech model ID?

Use tts-kokoro as the model parameter.

Is the Kokoro Text to Speech API private?

Kokoro Text to Speech is private: requests run on infrastructure Venice controls with zero data retention, and prompts and outputs are never stored or used for training.

How many voices does Kokoro Text to Speech have?

54 voices, for example af_alloy, af_aoede, af_bella. Output formats: mp3, opus, aac, flac, wav, pcm.

Which endpoint does the Kokoro Text to Speech API use?

Call POST /audio/speech.

Related models

Inworld TTS-1.5 Max API: $12.50 per 1M characters
xAI TTS v1 API: $18.75 per 1M characters
Chatterbox HD (Resemble AI) API: $50.00 per 1M characters
Gradium TTS API: $47.50 per 1M characters

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