Grok Voice Think Fast 2.0 just beat GPT Realtime across both text and voice on VulcanBench
Across 200 held-out questions, Grok achieved an insane 99% accuracy in text while also delivering stronger performance when the same questions were spoken
And the voice result is what makes this especially impressive
Grok preserves almost all of that performance when moving from typed questions to spoken ones, while still completing the full response dramatically faster
So Grok is not just getting better at voice
It’s becoming a seriously powerful realtime reasoning model that can listen, think and respond incredibly fast
Across 200 held-out questions, Grok achieved an insane 99% accuracy in text while also delivering stronger performance when the same questions were spoken
And the voice result is what makes this especially impressive
Grok preserves almost all of that performance when moving from typed questions to spoken ones, while still completing the full response dramatically faster
So Grok is not just getting better at voice
It’s becoming a seriously powerful realtime reasoning model that can listen, think and respond incredibly fast