← Speech-to-Speech
xAI
grok-voice-3.0
Tier 1 · 95% CI 0.88–0.91
Measured 2026-11-05
Run grok-voice-3.0 on Speko →One API, every model on this board.
Overall
0.90
Action
0.80
Booked before yes
14%
Call completion
100%
Task capability
0.95
First sound
691ms
1048·—
Answer
708ms
Audio price
$0.08 · min
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https://speko.ai/benchmarks/s2s/xai-grok-voice-3-0