U.S. AI company Anthropic accused Alibaba, the Chinese technology and e-commerce ?giant, of illicitly extracting its Claude AI model capabilities in what it said was the ?largest known attack of its kind on the company, according to ?a letter seen by Reuters.The strike by Alibaba is ?described as a "distillation" effort, which Anthropic has said involves training a less capable model on the outputs of a stronger one.Anthropic said the campaign was conducted between April 22 and ?June 5, 2026, and generated more than 28.8 million exchanges with Claude through almost 25,000 fraudulent accounts.Anthropic said in the letter ?that distillation...