The European Union (EU) is leading the way in the rapid advancements in Generative Pre-trained Transformer (GPT) technology while also prioritizing the protection of personal data in today’s fast-evolving technological landscape. This chapter reviews the operationality of generative artificial intelligence and discusses the intricate balance that the EU legal framework seeks to maintain in protecting individual privacy rights. To navigate the moral, legal, and societal ramifications of GPT’s ever-growing role in generating and processing personal data, the chapter investigates the robustness of political demands and harmonization efforts of the EU. In doing so, it provides an in-depth examination of the EU’s position on protecting personal data, shedding light on the legal issues, challenges, and potential future developments at this crucial nexus of law and technology.