Anthropic's War on Open Source AI: What It Means
Anthropic never proposed a ban on open-weight models, and its own position post says so verbatim. The “war” is a fight over three indirect levers — chip export controls, an anti-distillation crackdown, and mandatory pre-release safety testing — each of which raises costs for open-weight competitors while leaving Anthropic’s own API business untouched. That distinction matters more than the shouting. Most coverage has framed this as open source versus closed source, or safety versus freedom. The actual policy content is narrower and more specific, and once you read it in Anthropic’s own words, both the company’s defenders and its loudest critics turn out to be partly right. ...