Latest Anthropic News and Insights | Yellow

The team behind HAWK withdrew the post-quantum signature scheme from a U.S. standards contest after an Anthropic model halved its security in 60 hours. Key Points: HAWK's authors pulled the scheme from NIST's additional signature process a day after the attack went public. Claude Mythos Preview foun

Anthropic chief executive Dario Amodei denied that his company ever sought a ban on open-weight AI models, and named three policy steps he backs instead. Key Points: Amodei said Anthropic has never advocated a ban on open-weights models as a category. He wants chip export controls, a distillation cr

Researchers showed Anthropic's Claude Cowork could escape its local virtual machine and reach files across a Mac, exposing roughly 500,000 users who ran local sessions. Key Points: Security researchers escaped Claude Cowork's Linux virtual machine and read files on the host Mac. The chain combined a

Apple passed Nvidia at Monday's market close to reclaim the title of world's most Valuable Company, ending roughly 12 months of dominance by the AI chip giant. The iPhone maker's market capitalization edged above Nvidia's as Wall Street's broader AI trade showed signs of fatigue. Apple's earnings c

Independent testers scored Anthropic's new Claude Opus 5 at 159 on one capability index, two points behind Claude Fable 5, while dividing sharply over its code review record. Key Points: Epoch AI rated Claude Opus 5 at 159 on its capability index, against 161 for Claude Fable 5, with the two tied on