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Grok Text-to-Speech: AI Voiceover

Narrate scripts with Grok Text-to-Speech and pick the delivery style. Priced per character, shown before you run. Pay per use.

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Make your budget tangible

What does $10 make?

All your selected credit on Grok Text-to-Speech.

$10$500
333estimated script runs

$0.03 per reference run

1,000 input characters; default voice settings. Settings and source media affect the estimate. Review the studio price before creating.

The practical differences

Compare Grok Text-to-Speech features and pricing

Supported controls in Supermodels, rather than measured quality rankings. Prices use each model’s stated reference workload.

CapabilitiesGrok Text-to-SpeechxAIGemini 3.8 Flash TTSGoogleEleven Turbo v2.5ElevenLabs
Reference price$0.031,000 input characters; default voice settings$0.051,000 input characters; estimated audio at 12 characters/second and 32 audio tokens/second$0.081,000 input characters; default voice settings
Voice selectionSupportedSupportedSupported
Language controlSupportedNot availableSupported
Speed controlNot availableNot availableSupported
Output formatMp3 · Wav · Pcm · Mulaw · AlawMP3 · WAVNot available
Two-speaker dialogueNot availableSupportedNot available
Language detectionNot availableAutomaticNot available

From reading to making

Explore Grok Text-to-Speech

Prepare your inputs and inspect the estimate. Generation requires an account and wallet credit.

PROMPT0 / 4,000 characters · 0 / 4,000 bytes
VOICE PREVIEW COPY

You're finally here, and I've been waiting longer than you can imagine. You found the old key in the attic, didn't you? I know which door it opens, but before you turn it, there's something you need to understand.

STYLEOptional direction
Leave blank for the natural voice
GOOGLE · Gemini 3.1 Flash TTS

Nora

American English

Use the style prompt for overall direction and bracketed tags like [laughing] or [short pause] inside the script.

Gemini 3.1 Flash TTS · 1 output

Where Grok Text-to-Speech fits

Draft spoken narration while keeping script length and estimated cost visible.

A useful starting point

Use punctuation deliberately and preview a representative passage before a longer run.

Know the tradeoffs

Pronunciation and expression vary by language and voice. Review an excerpt before producing a long narration.

Supermodels is an independent creative studio. Model capabilities shown here reflect the controls available in this integration.

xAI model documentation

Grok Text-to-Speech questions and answers

What can I use Grok Text-to-Speech for?

Draft spoken narration while keeping script length and estimated cost visible. The studio shows the inputs and settings supported by this Supermodels integration. Review the model’s limitations before choosing it for your project.

How much does Grok Text-to-Speech cost on Supermodels?

There is no subscription. The price depends on the model, settings, and requested output. Use the calculator for a stated reference workload, then review the studio estimate for your inputs. Wallet funding is separate from the amount spent on a run.

Can I try Grok Text-to-Speech before signing in?

You can explore the supported controls and price estimates before signing in. Generating a result requires an account and wallet credit. Supermodels is an independent service; the controls shown apply to this integration.

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