Grok TTS API

Name: Grok TTS API
Brand: Grok
Availability: InStock
Rating: 4.9 (54399 reviews)

Also known as Grok Text to Speech · xAI TTS · Grok Voice TTS

grok-tts

GrokCommercial useNew API verifiedAudio & music

xAI's Grok text-to-speech — turn a script of up to 60,000 characters into natural speech in 26 voices and 20+ languages, with inline speech tags like [laugh] and <whisper> for expressive delivery.

by Grok

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Pricing: Grok TTS costs 1.35 credits per 1,000 characters (≈ $0.0135).

Save up to 18%with the $1,250 top-up pack (+10% bonus) — 10% lower than direct rates even without itTop up

24H Status Monitor

Operational

24h agonow

Input

Text*76 / 60000 characters

Up to 60,000 characters. Add speech tags for delivery, e.g. [pause], [laugh], <whisper>…</whisper>. Billed per character.

Voice*

Language*

Auto-detect reads the language from the text. Any voice can speak any language.

Speed

1.0 is normal speed. Lower is slower, higher is faster.

Output format

≈ 0.1 cr / run

Output

output typemusic

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You only pay for successful generations — if a task fails or returns no result, its credits are refunded automatically, never charged. And your credits never expire: top up once and spend at your own pace.1 credit = $0.01 USDTop up $1,250 for +10% bonus credits → up to ~9% more off every call.Top up credits

Grok TTS API pricing1 price

Model & ModalityCredits / GenOur Price (USD)Direct / Standard Price (USD)Base savingsSavings with top-up$1,250 top-up · +10% credits

Grok TTS, per 1k chars

musicGrok

Credits / Gen1.35per 1k characters

Our Price (USD)$0.0135

Direct / Standard Price (USD)$0.015

Base savings−10.0%

Savings with top-up · $1,250 · +10%−18% ↓