Grok Voice 3.0 tops Artificial Analysis Speech to Speech Index

1 reports 1 reporting sources 3 days agoNew

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Artificial Analysis ranked SpaceXAI’s Grok Voice 3.0 first on its Speech to Speech Index with a score of 86.9, up from 81.3 for Grok Voice 2.0. In its evaluation using the Rex voice through the SpaceXAI Realtime API, Grok Voice 3.0 also ranked first in task success rate at 94.8% and third in arena preference. The higher index score came with slightly slower audio response: Artificial Analysis measured average time to first audio on Big Bench Audio at 0.81 seconds, compared with 0.70 seconds for Grok Voice 2.0. Input audio pricing remained $4.80 per hour.

Generated by AI from reports · Updated 2 days ago

Latest development10/15 01:26 (UTC+8)

Grok Voice 3.0 leads Artificial Analysis Speech to Speech Index at 86.9 Artificial Analysis · X

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10/15

01:26
Artificial Analysis · X
Grok Voice 3.0 leads Artificial Analysis Speech to Speech Index at 86.9
Artificial Analysis evaluated SpaceXAI’s Grok Voice 3.0 using the Rex voice through the SpaceXAI Realtime API, reporting a #1 Speech to Speech Index score of 86.9, up from Grok Voice 2.0 at 81.3. It ranked #3 in arena preference and #1 in task success rate at 94.8%. Average time to first audio on Big Bench Audio was 0.81 seconds versus 0.70s for Grok Voice 2.0, while input audio pricing remained $4.80 per hour.

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