d1 represents the inaugural decision model from Liquid AI, designed to provide answers to structured inquiries regarding a scenario through probabilities instead of generating textual responses. This model processes unstructured data, including text and images, alongside one or more questions in a single streamlined forward pass, delivering probabilities without producing output tokens. It accommodates three distinct question formats: noul for binary yes-or-no decisions, choice for selecting from various labels with associated probabilities, and score for assessing an input along an ordered scale using probability-based levels. Furthermore, d1 can evaluate multiple questions simultaneously within a single request, enhancing its utility in real-time decision-making processes. Liquid AI showcases d1 in various applications, including filtering support tickets, navigating code repositories, categorizing documents into intelligent folders, managing websites, condensing agent context, inspecting industrial components, and even engaging in gameplay from screenshots, illustrating its versatile capabilities. This model's ability to handle diverse data types and provide rapid responses indicates a significant advancement in decision-making technology.