replicate / audio
grok-text-to-speech
Convert text to natural-sounding speech with xAI's Grok TTS. 5 voices, 20 languages, expressive speech tags, and high-fidelity MP3 / WAV / telephony audio output.
xai/grok-text-to-speech
Source checked: 2026-09-13 · Provider endpoint, not an independently benchmarked model.
Pricing, with its conditions.
These are source observations, not interchangeable quotes. Token, compute-time, output-duration and per-request prices cannot be compared by the number alone. Input charges and optional features may add to the total.
| Source rate | Billing unit | Conditions | Evidence |
|---|---|---|---|
| $0.015 USD | input character | or around 66,666 characters for $1 | Public structured source |
Supported settings from the source
| voice | Voice to use for synthesis. 'eve' is energetic and upbeat (default), 'ara' is warm and friendly, 'rex' is confident and clear, 'sal' is smooth and balanced, 'leo' is authoritative and strong. · Options: eve, ara, rex, sal, leo · Default: eve |
|---|---|
| language | BCP-47 language code for the input text. Set to 'auto' to let the model auto-detect the language. · Options: auto, en, ar-EG, ar-SA, ar-AE, bn, zh, fr, de, hi, id, it, ja, ko, pt-BR, pt-PT, ru, es-MX, es-ES, tr, vi · Default: auto |
| sample_rate | Audio sample rate in Hz. Higher rates produce better quality at the cost of file size. · Options: 8000, 16000, 22050, 24000, 44100, 48000 · Default: 24000 |
| output_format | Audio codec. 'mp3' is best for general use, 'wav' for lossless audio, 'pcm' for raw audio pipelines, 'mulaw'/'alaw' for telephony. · Options: mp3, wav, pcm, mulaw, alaw · Default: mp3 |
Unlisted settings, region availability, deposits, taxes and commercial terms remain unverified. Confirm the exact endpoint before purchase.