Elon Musk reposted
X Freeze
@XFreeze
Grok Voice just ranked #1 on Vapi’s Humanness Index and it's scary good
That is a huge deal
This benchmark is simple:
Listeners hear blind same-voice battles and pick which voice sounds more human
Grok TTS scored 100 in humanness matching the human baseline
That means Grok is
05:03 AM · June 17, 2026 · 452.4K views
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