Wikipedia warns of copyright risks in OpenAI showdown

The Wikimedia Foundation filed a neutral amicus brief arguing courts should separate AI training from content retrieval when weighing fair use The Wikimedia Foundation has entered the copyright fight over OpenAI’s AI models. It isn’t taking either side. On October 30, 2026, the nonprofit behind Wikipedia filed an amicus brief in In re: OpenAI, Inc. Copyright Infringement Litigation. Its warning is that a ruling drawn too broadly in either direction could damage the open structure of the web. A brief that backs neither party An amicus brief is a filing from an outside party that isn’t directly involved in a case. The term translates to “friend of the court.” These briefs let interested groups explain how a decision might ripple beyond the courtroom. Wikimedia’s filing is characterized as supporting neither party. The foundation is effectively saying both sides have a point, and the judge should be careful about which point wins. The core of the argument is a distinction between two ways AI systems use copyrighted material. The first is pre-training. This is the foundational stage where a model learns patterns from a huge body of text. Wikimedia argues this use typically qualifies as...