xAI
Grok Voice TTS 1.0
Convert text into spoken audio with a single API call. The API supports a rich set of expressive voices, inline speech tags for fine-grained delivery control, and output formats from high-fidelity MP3 to telephony-optimized μ-law.
xai/grok-voice-tts-1.0
Context
15K
Output
15K
Released
2026-07-31
Knowledge cutoff
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Types
InputText
OutputAudio
Reasoning
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Tool use
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Structured output
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Attachments
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Open weights
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Provider pricing
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