Grok Voice 3.0 from SpaceXSI outscores OpenAI and Google on speech-to-speech index
Elon Musk’s artificial intelligence company SpaceXSI, formerly xAI, today released Grok Voice 3.0, a new version of the speech-to-speech model behind its Voice Agent API. Independent testing firm Artificial Analysis ranks it first among models of its type. SpaceXSI is pitching the model to businesses that handle customer support and sales calls with voice agents. […] The post Grok Voice 3.0 from…
Elon Musk's AI firm SpaceXSI launched Grok Voice 3.0, a speech-to-speech model, today. Independent testing firm Artificial Analysis ranked the model first among its type. The company is offering the model to businesses needing voice agents for customer support and sales calls. Artificial Analysis assessed Grok Voice 3.0 at 86.9 on its Speech-to-Speech Index, outperforming OpenAI's GPT-Live-1 (83.2) and Google's Gemini 3.8 Live (82.6) in the same tests.
Full Duplex Benchmark rated Grok Voice 3.0 97% for natural conversation handling, while OpenAI scored 95%. Grok Voice 3.0 completed tasks 40% faster than competitors in a call with heavy accents and background noise, with a 71.6% success rate compared to 74.5% for OpenAI. Additionally, Grok Voice 3.0 scored 74% on ServiceNow's EVA-Bench, excelling in accuracy and customer experience.
Tesla's driver-assistance system uses the model for voice commands, and Starlink handles 20,000 calls daily in multiple languages, resolving 70% without human intervention. Grok Voice 3.0 is available now in the Voice Agent API at 8 cents per minute.
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