Grok Voice Tops Voice Agent Benchmarks at 67.3%, Elon Confirms Starlink Deployment

xAI's voice model nearly doubles Gemini's score on τ-voice Bench and is already running in production at Starlink — a rare case of a benchmark leader with a real-world deployment to point to.

xAI's Grok Voice has taken the top spot on the τ-voice Bench, a real-time voice reasoning benchmark, scoring 67.3% — nearly 24 points ahead of Google's Gemini at 43.8% and almost doubling OpenAI's GPT Realtime at 35.3%. As @XFreeze reported, the margin isn't close. What makes this more than a leaderboard curiosity is that Elon Musk confirmed in a reply that Grok Voice is already deployed in production at Starlink, as @elonmusk stated plainly: "Grok Voice is used by Starlink right now."

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