Grok Voice 3.0: a speech-to-speech model for support calls, at the same price
What is it?
A speech-to-speech model that hears audio and answers in audio, tuned to handle customer support calls end to end. It's available in the Voice Agent API and Voice Agent Builder, and agents pointed at grok-voice-latest moved to 3.0 automatically with no code changes.
Why does it matter?
It sits at #1 on the Artificial Analysis speech-to-speech index with 86.9Independent, and xAI reports 97% on Full Duplex BenchVendor claim, which measures interruptions and turn-taking. Responses start in under a secondVendor claim, and xAI says it handles 70% of Starlink support calls on its ownVendor claim. Teams looking at call-center or booking automation should test it next to GPT-Live-1 and Gemini Live.
Maturity
GAGenerally available in the API at $0.08 per minute ($4.80 per hour)Vendor claim, the same price as 2.0.
How to track it
- Independent scores: see whether it holds #1 on the Artificial Analysis speech-to-speech leaderboard once new OpenAI and Google voice models arrive.
- API changes: check the docs.x.ai release notes for the grok-voice-2.0 retirement date.
- Language quality: look for supported-language details and non-English call quality reports in xAI docs and developer forums.