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TRUE, BUTSelf-Marked

It tested on its sister company

The product it tested on was its sister company.

“xAI says Grok Voice Think Fast 2.0 hits 0.70s to first audio, transcribes 1.4x more accurately, uses about 60% fewer reasoning tokens, and lifted sales conversion in a Starlink A/B test, positioning it as its most capable speech-to-speech model for enterprise voice agents”

xAI (SpaceXAI), launch post plus enterprise pitch, 29 July 2026

Recorded 14 August 2026. Our ruling means: literally true, materially misleading.

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What each receipt proves, and what would change our mind.

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