xAI AI Updates: July 7, 2026

1. xAI Adds 21 Multilingual Voices to Grok Voice

xAI. xAI released 21 new flagship voices for Grok Voice on July 6, expanding the lineup beyond the original five. All of the new voices are multilingual and are available in the realtime Voice Agent API, the Text to Speech API, and the recently launched Grok Voice Agent Builder. The original five voices, Ara, Eve, Leo, Rex, and Sal, were retrained for improved naturalness. Source