xAI has released Grok Voice Think Fast 1.0 , its new flagship voice model for developers building real-time voice agents across customer support, sales, bookings, and enterprise workflows.

A state-of-the-art voice model built for complex, multi-step workflows with snappy responses and high accuracy.

It takes the top spot on the Tau Voice Bench and handles real-world messiness like noise, accents, and interruptions better than…

Customer support Phone sales Appointment booking Restaurant reservations Order handling Returns Billing disputes Telecom troubleshooting Airline itinerary changes A key part of the release is real-time reasoning.