Anthropic Says Alibaba Used 25,000 Fake Accounts to Copy Its AI, and the Stock I

Anthropic accused Alibaba (BABA) of using 25,000 fake accounts to harvest 29 million Claude exchanges, with shares already down 31% year to date.

Anthropic's letters to Senators Warren and Scott transform the IP dispute into a national-security matter, directly challenging Qwen's 1 billion download moat.

Act now: the analyst who called NVIDIA in 2010 just named his top 10 AI stocks — and Alibaba didn't make the cut. Grab the names FREE today.

The hit landed before the bell. Andrew Ross Sorkin on CNBC walked viewers through a letter Anthropic sent to U.S. lawmakers accusing Alibaba (NYSE:BABA) of running what the AI lab called "the largest known distillation attack" on its Claude models to date. The mechanics, according to Anthropic, involved roughly 25,000 fraudulent accounts harvesting more than 28.8 million exchanges with Claude between April and June 2026. Shares, already battered, did what shares do when a U.S. senator gets a letter about your company. They sold off.

Sorkin described Anthropic as "accusing Alibaba of illegally accessing and trying to build off of its cloud AI technology" and explained distillation in plain English as "an AI training method where a smaller,

Fuente original: Yahoo Finance (https://finance.yahoo.com/technology/ai/articles/anthropic-says-alibaba-used-25-170511500.html)