GPT-6 Astra Is Rolling Out: OpenAI’s First “Critical” Cyber-Capability Model Meets a Four-Platform Outage

OpenAI began the phased rollout of GPT-6 Astra, and the company's own system card says it plainly: Astra is the first OpenAI model to cross the "Critical" cybersecurity bar under the Preparedness Framework — meaning it can find undisclosed vulnerabilities and build working exploits against hardened systems without a human walking it through each step. In the same two-week window, all four major chat platforms went down together for the second time. The strongest attack surface in the industry shipped while its providers couldn't keep the lights on.

Kimi K3 冲击波:2.8 万亿参数的野心,和它背后的三场技术硬仗

2026 年 7 月 16 日,月之暗面(Moonshot AI)发布了 Kimi K3。2.8 万亿参数、896 专家、1M 上下文、登顶 Arena 前端代码榜——这些数字横扫了科技头条。但比参数更值得解剖的,是这张成绩单背后的三场硬仗:注意力机制的重新设计、残差连接的范式替换、以及超稀疏 MoE 的工程落地。

Google 用 AI「杀死」Google

一个垄断帝国的王者,亲手拆毁自己铸造的城墙,不是因为城墙不够坚固,而是因为战争的形式变了。 Google 用 AI 杀死了 Google