Grok Voice Think Fast 1.0

Our most capable voice agent is now available via API.

xAI's flagship voice agent available via API for real-time voice conversations and complex, multi-step workflows, with low-latency speech interaction and tool calling.

Screenshot of Grok Voice Think Fast 1.0 website

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releasePRIMARY2026-05-09

Grok Voice Think Fast 1.0 adds concierge and reservation tool templates

xAI rolled out Grok Voice Think Fast 1.0 with ready-made tool schemas for medical offices, restaurants, help desks, real estate, appointments, and hotel concierge tasks. The release lowers setup work because common service actions arrive pre-wired as callable tools.