Brief, mostly signal
xAI launches Grok Voice 3.0 speech-to-speech model
Launched 14 Oct via the Voice Agent API at $0.08 per minute. Vendor-reported benchmarks put it at 86.9 on the Artificial Analysis index.
What the research found
xAI launched Grok Voice 3.0 speech-to-speech model on 14 Oct 2026 via Voice Agent API at 0.08 dollars per minute, topping Artificial Analysis Speech-to-Speech Index at 86.9 (vendor-reported benchmarks).
Claims and how well the evidence supports them
- xAI launched Grok Voice 3.0 on 14 October 2026 via its Voice Agent API at 0.08 dollars per minute 99%
- Grok Voice 3.0 scores 86.9 on the Artificial Analysis Speech-to-Speech Index, ahead of GPT-Live-1 at 83.2 99%
- Grok Voice 3.0 scores 71.6 percent on tau-Voice, with latency 40 percent lower than GPT-Live-1 98%
- Grok Voice 3.0 costs 0.025 dollars per task on Big Bench Audio versus 0.030 for GPT-Live-1 98%
Evidence
- unite.ai https://unite.ai/sv/xai-introduces-grok-voice-3-0-speech-to-speech-model-for-voice-agents
Actionability rated medium.