Grok Voice Think Fast 2.0 tops Speech-to-Speech Index

Daniel_Farinax · x · 2026-08-25

Grok Voice Think Fast 2.0 by SpaceXAI is now ranked #1 on the Artificial Analysis Speech-to-Speech Index. The benchmark evaluates voice agents on their ability to reason over speech, resolve real customer issues, and correctly complete tasks using agent tools.

Related event: Grok Voice 2.0 Tops Voice Rankings, Handles 15K Daily Starlink Calls(4 posts)→

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