xAI

grok-voice-think-fast-2.0

Tier 2 · 95% CI 0.78–0.86

Measured 2026-11-05

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One API, every model on this board.

Overall

0.82

Action

0.63

Booked before yes

34%

Call completion

100%

Task capability

0.92

First sound

620ms

870·—

Answer

650ms

Audio price

$0.08 · min

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