xAI Launches Grok Voice Think Fast 1.0

Grok Voice Think Fast 1.0

Benchmark
Tau Voice Bench (1st place)
Availability
Free
Release Date
2026-04-23

xAI introduced Grok Voice Think Fast 1.0, a voice model designed for complex multi-step workflows featuring snappy responses and high accuracy. It leads the Tau Voice Bench leaderboard and excels at handling noise, accents, and interruptions. The model is available for free at console.x.ai/playground/voice/agent.