xAI releases Grok Voice 3.0, topping Speech-to-Speech benchmarks.

Beating AI Express News: xAI has launched its speech-to-speech model Grok Voice 3.0, claiming it ranks first on the Speech-to-Speech Index in an independent test by Artificial Analysis, scoring 86.9 points—higher than Grok Voice 2.0 (81.3), GPT-Live-1 (83.2), and Gemini 3.8 Live (82.6). The model also features end-to-end latency of under 1 second. It is now available via the Voice Agent API, priced at $0.08 per minute, matching the previous generation; agents using the "grok-voice-latest" tag wi

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