SpaceXAI Launches Grok Voice 3.0 With Lower Latency Than OpenAI And Google Models
SpaceXAI announced Grok Voice 3.0 on October 14, 2026. In Artificial Analysis tests, each metric improved over Grok Voice 2.0 and surpassed GPT-Live-1 (Astra, medium) and Gemini 3.8 Live (Ext. Thinking, High). On the Speech to Speech Index it ranked first at 86.9. Input audio costs $4.80 per hour, the same as version 2.0, and the Voice Agent API costs $0.08 per minute.