Grok Text to Speech

xAI TTS v1 is xAI's text-to-speech model, made for narration, assistants and voice apps.

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PRICE0.02813 creditsper 1k chars

AVG TIME~5.0sestimate

OUTPUTaudiosync

Open in playground

Inputs

promptoptional · text

textoptional · Text — artifact id or https URL

Monthly estimate

1k charss per month

1,000 × 0.02813 credits28.13 credits

curl https://platform.4i.app/api/v1/run \
  -H "Authorization: Bearer $FOURI_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "service": "xai/grok-text-to-speech",
    "input": {},
    "params": {
      "voice": "altair"
    }
  }'

Every output has an artifact_id. Pass it as input to any compatible service.

Get your API key →