xAI TTS v1 API

xAI TTS v1 is a text-to-speech model by xAI, available on the Venice API as tts-xai-v1. Requests are anonymized, so the provider never sees your identity.

xAI TTS v1 API pricing

Model ID	Variant	Privacy	Price
`tts-xai-v1`	Standard	Anonymized	$18.75 per 1M characters

xAI TTS v1 specifications

Spec	Value
Provider	xAI
Released	Apr 17, 2026
Privacy	Anonymized
Voices	26
Formats	mp3, wav, pcm

How to use the xAI TTS v1 API

Send requests to POST https://api.venice.ai/api/v1/audio/speech with "model": "tts-xai-v1" 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-xai-v1",
    "input": "Private AI for everyone.",
    "voice": "altair",
    "response_format": "mp3"
  }' --output speech.mp3

xAI TTS v1 API FAQ

How much does the xAI TTS v1 API cost?

18.75 per 1M characters of input text, about

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

What is the xAI TTS v1 model ID?

Use tts-xai-v1 as the model parameter.

Is the xAI TTS v1 API private?

xAI TTS v1 is anonymized: Venice forwards requests to the provider without your identity, but the provider may retain prompt data, so use a private model for sensitive work.

How many voices does xAI TTS v1 have?

26 voices, for example altair, ara, atlas. Output formats: mp3, wav, pcm.

Which endpoint does the xAI TTS v1 API use?

Call POST /audio/speech.

Related models

Inworld TTS-1.5 Max API: $12.50 per 1M characters
Chatterbox HD (Resemble AI) API: $50.00 per 1M characters
Gradium TTS API: $47.50 per 1M characters
ElevenLabs Turbo v2.5 API: $62.50 per 1M characters

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