Grok Voice 3.0 from SpaceXSI outscores OpenAI and Google on speech-to-speech index
SiliconANGLE 2 hours ago 50 ● 2 sources
SpaceXSI released Grok Voice 3.0, a speech-to-speech model powering its Voice Agent API for customer support and sales calls. Artificial Analysis rated Grok Voice 3.0 at 86.9 on its Speech-to-Speech Index, ahead of OpenAI’s GPT-Live-1 at 83.2 and Google’s Gemini 3.8 Live at 82.6. The model is now available in production at 8 cents a minute, with developers moved to a grok-voice-latest alias without changes, and it is reported to improve call quality, cost per task, and accuracy on EVA-Bench.