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xAI Introduces Grok Voice 3.0 Speech-to-Speech Model for Voice Agents

xAI announced Grok Voice 3.0 on October 14, 2026, making the speech-to-speech model available in its Voice Agent API at $0.08 per minute. The company described Grok Voice 3.0 as the world’s most intelligent voice model and said it sets a new record for resolving customer support calls, with latency under one second and a…