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.
Capability badges appear only where the provider catalog explicitly lists support. A blank cell means the source is silent, not that the feature is absent.
Specification
Capabilities
Recorded from the source catalog and provider listings.
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What is 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. It is published by xAI and catalogued here from Models.dev.
What is the context length of Grok Voice TTS 1.0?
Grok Voice TTS 1.0 accepts up to 15K tokens of context and returns up to 15K output tokens.
Which providers serve Grok Voice TTS 1.0?
1 provider list this model: ZenMux.
Are the weights for Grok Voice TTS 1.0 open?
No. This model is served through hosted APIs only.
When was Grok Voice TTS 1.0 released?
The catalog records a release date of 2026-07-31, last verified Sep 19, 2026.
ZenMux