xAI released grok-voice-3.0 with Speech to Speech at the same price as Grok Voice 2.0, and grok-voice-latest now points to 3.0 so alias users are upgraded automatically with no API changes. grok-voice-2.0 is deprecated, and grok-voice-transcribe-1.0 reaches end of life on October 2, 2026, with requests routed to grok-voice-transcribe-2.0 at the same price and higher accuracy.
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What to doUpdate hardcoded model references from grok-voice-2.0 to grok-voice-3.0 or grok-voice-latest, and plan to remove grok-voice-transcribe-1.0 usage before October 2, 2026.