The Wikimedia Foundation announced on October 30, 2026, that it had filed an amicus brief in the OpenAI copyright case. The filing’s exact date was not specified. An amicus brief is a non-party’s submission of arguments to a court; it presents Wikimedia’s position, not a judicial decision. Wikimedia Foundation
Wikimedia’s reported distinction between training and answers
Infobae reported that Wikimedia draws a line between training an AI model on copyrighted works and answers that reproduce source text. In the Foundation’s reported view, training may qualify as fair use, a legal doctrine that can allow certain uses without a license, when a model produces something new and different from its sources. But systems that retrieve and return text in a way that substitutes for reading the original should require a license, the report said.
That is an argument attributed to Wikimedia, not a legal rule adopted by the court. It distinguishes how a model is trained from what it returns to a user: the reported concern is about reproduced text that could stand in for its source.
What the October 30 report said about the case
Infobae reported on October 30, 2026, that Judge Sidney Stein was considering cross-motions for summary judgment in the case. That was the posture described in the report on that date.
