Grok Voice TTS

Name: Grok Voice TTS
Author: xAI

by xAI

xAI's Grok text-to-speech connector.

Grok Voice TTS provides expressive speech with xAI's built-in voices, speech tags, and batch output formats for conversational narration and product voice interfaces.

More details

Grok Voice TTS by xAI is a fast-speed AI text-to-speech model. Grok Voice TTS provides expressive speech with xAI's built-in voices, speech tags, and batch output formats for conversational narration and product voice interfaces. Key capabilities include 278 voices across 12 languages, emotion control, up to 15,000 characters per request.

Grok Voice TTS is priced at $0.005 per 1,000 characters of input text. You can generate speech with Grok Voice TTS on idapt.app alongside 200+ AI models in one workspace.

Voices

5 · 1 languages

Any of these voices can be paired with Grok Voice TTS. Pick a model for quality and speed, a voice for character and language.

Ara

Multilingual · Neutral

Eve

Multilingual · Neutral

Leo

Multilingual · Neutral

Rex

Multilingual · Neutral

Sal

Multilingual · Neutral

Pricing

Cost per 1,000 characters

$0.005

Typical paragraph (~500 chars)

$0.003

Billed on input text length

Capabilities

Speed

Fast: Low-latency, real-time ready

Emotion Control

Steer happy / sad / angry / neutral delivery

Max Input

15,000 characters per request

Voices

5 voices · 1 languages

Generate speech with Grok Voice TTS View Details

Compare Grok Voice TTS with

Seed Audio 1.0ByteDance Seed

GPT-4o Mini TTSOpenAI

Gemini 3.8 Flash TTSGoogle AI Studio

Gemini 3.1 Flash TTS PreviewGoogle AI Studio

Speech 2.8 HDMiniMax

Speech 2.8 TurboMiniMax

Frequently Asked Questions

Who created Grok Voice TTS?

Grok Voice TTS was created by xAI.

How much does Grok Voice TTS cost?

Grok Voice TTS costs $0.005 per 1,000 characters of input text. A short paragraph of roughly 500 characters costs about $0.003.

How fast is Grok Voice TTS?

Grok Voice TTS is classified as a "fast" speed model. It is tuned for low-latency synthesis, making it well suited to interactive and real-time use.

What voices and languages does Grok Voice TTS support?

Grok Voice TTS supports 278 curated voices spanning 12 languages, including English, Chinese, Korean, Japanese, Spanish, and Portuguese. Every voice in the catalog can be used with this model.

Does Grok Voice TTS support emotion control?

Yes, Grok Voice TTS supports emotion control. You can steer the delivery toward tones such as happy, sad, angry, or neutral for more expressive speech.

How much text can Grok Voice TTS synthesize at once?

Grok Voice TTS accepts up to 15,000 characters of input text per request. Longer documents are split automatically across multiple requests.

How does Grok Voice TTS compare to other TTS models?

Grok Voice TTS is one of several text-to-speech models available on idapt. Compare it with Seed Audio 1.0, GPT-4o Mini TTS, Gemini 3.8 Flash TTS and more on the audio models directory.

Where can I use Grok Voice TTS?

You can generate speech with Grok Voice TTS on idapt.app — in chat via the media tools, in hands-free voice mode, or through the public API. No separate API key required: idapt provides Grok Voice TTS alongside 200+ AI models in one professional workspace.

Generate speech with Grok Voice TTS

Frequently Asked Questions

Who created Grok Voice TTS?

Grok Voice TTS was created by xAI.

How much does Grok Voice TTS cost?

Grok Voice TTS costs $0.005 per 1,000 characters of input text. A short paragraph of roughly 500 characters costs about $0.003.

How fast is Grok Voice TTS?

Grok Voice TTS is classified as a "fast" speed model. It is tuned for low-latency synthesis, making it well suited to interactive and real-time use.

What voices and languages does Grok Voice TTS support?

Grok Voice TTS supports 278 curated voices spanning 12 languages, including English, Chinese, Korean, Japanese, Spanish, and Portuguese. Every voice in the catalog can be used with this model.

Does Grok Voice TTS support emotion control?

Yes, Grok Voice TTS supports emotion control. You can steer the delivery toward tones such as happy, sad, angry, or neutral for more expressive speech.

How much text can Grok Voice TTS synthesize at once?

Grok Voice TTS accepts up to 15,000 characters of input text per request. Longer documents are split automatically across multiple requests.

How does Grok Voice TTS compare to other TTS models?

Grok Voice TTS is one of several text-to-speech models available on idapt. Compare it with Seed Audio 1.0, GPT-4o Mini TTS, Gemini 3.8 Flash TTS and more on the audio models directory.

Where can I use Grok Voice TTS?