AI chatbots platform for educational recommendations in higher education is a tool intended to promote learning through the “Line” application, an application which is compatible with a variety of responsive web designs. This platform can be used to assess the decision to study in higher education based mainly on the user’s aptitudes. Consequently, this study explores the perspectives with regard to the development of the AI chatbot platform and the assessment of the decision to study in higher education. The study is mainly related to the use of AI technologies and digital innovations with the aim of creating a decision support tool that can operate on a small mobile device and can be accessed anywhere and anytime, for admission to the Railway Technical School, Bangkok, Thailand. The participants in this research are divided into two groups: 1) six experts chosen by means of purposive sampling, all of whom are from different higher education institutions and who specialize in information system development, and 2) 65 students interested in studying at the Railway Technical School, all of whom were chosen by means of voluntary selection. The participants in both groups are well protected in terms of confidentiality and anonymity; in other words, the identities of the participants were neither indicated nor mentioned in the research instruments. The research results show that: 1) The overall efficiency of the AI chatbot platform in terms of three aspects (function requirement, functions, and usability) were assessed as being at a very high level. 2) According to the results of decision assessment based on the aptitudes of AI chatbot platform users, 86.15% of the said users made their decision based on the suggestions of the platform. 3) The satisfaction with regard to the AI chatbot platform is at very high level. According to the above results based on the analysis of the users’ aptitudes and abilities, it was found that the AI chatbot platform can be used as a tool for educational recommendations in higher education. The platform is also able to analyze users’ questions accurately and precisely in order to provide answers that meet the users’ needs.