xAI Launches Grok Voice Think Fast 2.0, Its Fastest and Most Capable Speech-to-Speech Model

My take: xAI launched Grok Voice Think Fast 2.0, its most advanced speech-to-speech model, with numbers that represent a real improvement: 82.9% on Artificial Analysis' overall speech-to-speech quality index, up from 75.7% for version 1.0, and time to first audio dropped from 1.25 seconds to 0.70 seconds. For anyone building applications or conversational agents, that speed difference is noticeable to the end user.

At $0.08 per minute via API, the question is no longer whether voice AI is economically viable, but how well it gets implemented. Speech-to-speech technology is improving faster than most organizations can integrate it with a clear strategy.

Is your company already evaluating how to bring voice agents into its customer service, accessibility, or internal support workflows, or is it still in wait-and-see mode?