( October 14, 2025, 10:53 AM EDT) -- SAN FRANCISCO — A group of ChatGPT Plus subscribers on Oct. 13 filed a putative class action in California federal court against Microsoft Corp., seeking treble damages and injunctive relief — including “the divestiture or segregation of Microsoft’s Generative AI” business — based on allegations that Microsoft limited OpenAI’s access to computational power and drove up ChatGPT prices while promoting its own chatbot in competition with OpenAI....