xAI moves Grok Voice Transcribe clients to 2.0
xAI released grok-voice-transcribe-2.0 through its Speech to Text API on 17 September. On 2 October, it retired grok-voice-transcribe-1.0 and began routing every request for the old slug to 2.0 at the same price, replacing the earlier state in which 1.0 remained the default.
Why it matters: The lifecycle change removes the option to hold production traffic on 1.0: even an explicitly pinned old slug now receives 2.0 behavior. Voice applications therefore need migration evidence for recognition quality, latency, streaming behavior and error…