Text to Speech Model
Grok Voice TTS
Text to Speech by X.ai
Publisher
X.ai
X.aiTypeText to Speech
Context Window15,000 tokens
Released2026
Price$15 / 1M characters
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Parameters & options
VoiceSelect
Built-in voice, or paste a custom voice ID from the xAI console.
LanguageSelect
BCP-47 language for synthesis. Auto detects from the text.
SpeedNumber
Speech speed. 1.0 is normal. Range 0.7–1.5.
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