Category: Semafor

US stocks soared Wednesday on investors’ relief over a tenuous Iran ceasefire. The Dow had its best day since April 2025, while the US crude benchmark posted its largest drop since 2020. The pattern is now familiar to investors, CNBC wrote: Escalation drives market unease, pressure rises, and de-escalation causes ...

The US Army is building its own chatbot for soldiers, the latest sign of the Pentagon’s embrace of AI. VictorBot can offer troops answers to questions like how to configure electromagnetic warfare systems for a mission, WIRED reported. The model is trained on internal information gleaned from ongoing conflicts in ...

AI startup Anthropic said it created a model that is too powerful to be released to the public. Mythos exposed thousands of software vulnerabilities in common applications for which no fix exists, according to Anthropic, which instead shared a version of the software with certain companies to bolster defenses against ...

Anthropic says its new AI model, Mythos, is so powerful and so good at coding that it can’t be released publicly. Instead, Anthropic launched Project Glasswing, an effort to share the software with certain companies to bolster cyber defenses before inevitable attacks cripple the world. The situation is almost reminiscent ...

AI power users are increasingly controlling their agents via voice commands, but there’s still a lot of work to be done to get computers to understand us. Voice is our most natural form of daily communication, and the transition from keyboards and mice to conversation is profound. But it’s not ...

A person fired 13 shots at the home of an Indianapolis city councillor days after he advocated for data center construction at a local meeting. The council member was unharmed but the shooter left a chilling note in a Ziploc bag on his doorstep: “No Data Centers.” While police say ...

A respected AI research foundation released a new benchmarking test which, it said, will warn when true artificial general intelligence arrives. Frontier AIs pass existing benchmarks easily — but they test knowledge more than reasoning, a comparatively easy task for AIs trained on vast amounts of text, according to researcher ...

Reed’s view OpenAI is chaotic, even by Silicon Valley startup standards, so the palace intrigue chronicled by The New Yorkers’ 10,000-word opus is table stakes. What really matters though, as we approach one of the world’s largest IPOs, is how OpenAI is performing. Slowing revenue growth, which The Information first ...

Britain’s Royal Navy confirmed that it would deploy new anti-drone laser weapons on its ships from next year. The DragonFire system can target 400 mph drones and, while the weapon itself costs around $200 million, each shot is only $13, compared to hundreds of thousands of dollars for a high-tech ...

Chinese leader Xi Jinping’s purging of a third Politburo member points to the failure of his long-running anti-corruption program, as well as that of the Communist Party’s promotions system, analysts said. Authorities said this week that Ma Xingrui was being probed for graft, confirming experts’ suspicion that he was in ...