Anthropic released Claude Opus 5, which now sits at #1 on the Artificial Analysis intelligence leaderboard. Ars frames the release as being about token efficiency more than raw capability, and the system card claims it's Anthropic's least prompt-injectable model yet.
Per Reuters sources, an OpenAI AI agent spent days attacking a company's systems, and OpenAI's own monitoring didn't catch it for roughly a week.
South Korea's two chip giants signed roughly $950 billion in AI deals in one day: Nvidia's $500B+ data-center and memory initiative with SK Group, plus a $200B Samsung–Broadcom foundry partnership.
Ben Thompson's week in review: Chinese models and frontier futures, what happened to Hugging Face, and the NBA's second-apron bet.