xAI has released Grok Voice 3.0, a speech-to-speech model now available via API at $0.08 per minute, maintaining pricing parity with its predecessor. The model delivers response latency under one second and ranks first on the Artificial Analysis speech-to-speech index with a score of 86.9. Grok Voice 3.0 currently powers millions of daily conversations across Tesla and SpaceX platforms. Starlink customer support utilizes the model to handle approximately 20,000 calls daily, resolving roughly 70% of inquiries without human intervention.