1450 Page Mill Road, Stanford Research Park, Palo Alto, California, USA (xAI, a SpaceX subsidiary; also Bastrop, Texas)
xAI
xAI's news post is dated 'Apr 23, 2026' and opens 'Today, we're excited to announce... Introducing Grok Voice 1.0'.[1]
xAI ships Grok Voice 1.0 in the API, a flagship model for multi-step, tool-heavy support and sales calls that takes the top spot on the τ-voice leaderboard and supports 25+ languages.