voice ai

xAI's Grok Voice 3 debuted at #1 on the Artificial Analysis Speech-to-Speech Index. The benchmark is the headline, but the number that decides whether you build on it is the price: $0.08 a minute. Here's how to read both.

OpenAI’s GPT-Live models turn ChatGPT’s voice mode from a walkie-talkie into a phone call: the AI listens and speaks at the same time, hands hard questions to a frontier model behind the scenes, and is rolling out to everyone. Here’s what actually changed.