---
id: "x-ai/grok-voice-tts-1.0"
also: ["x-ai/grok-voice-tts-1.0"]
card_usd_per_m: "15.0 in, 0.0 out, at xai"
cheapest_list_usd_per_m: "15.0 in, 0.0 out, at xai on openrouter"
context: 15000
max_output: 13500
input: ["text"]
output: ["speech"]
released: "2026-05-15"
api: ["/api/v1/audio/speech"]
endpoints: 1
gateways: "openrouter (1)"
no_training: 1
trains: 0
retains_prompts: 1
---
# SpaceXAI: Grok Voice TTS 1.0

Grok Voice TTS 1.0 is a text-to-speech model from SpaceXAI. It converts text into spoken audio across 20+ languages with automatic language detection, and offers five built-in voices (Eve, Ara,...