xAI Grok Voice 3.0 tops the speech-to-speech index at $0.08/min
Why it matters
Speech-to-speech voice agents with sub-second latency. #1 on Artificial Analysis Speech-to-Speech Index (86.9); 71.6% on τ-Voice. Starlink call centers: 20,000 calls/day, ~70% resolved with no human. Same price as Grok Voice 2.0.
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