The study examines the Accessibility of Artificial Intelligence Tools and Lecturers' Productivity in Public Universities in Bayelsa State, Nigeria. The study used a descriptive research design with a population of 2,444 lecturers from the four (4) public universities in Bayelsa State. A sample of 290 lectures representing 20% of the population, using a stratified random sampling technique. Data were collected through a research instrument of twelve items. The reliability of the instrument was ascertained with the use of test-retest method to get the coefficient of 0.85. Data collected were analyse using mean and standard deviation statistics to answer the research questions, while linear regression was used to test the null hypothesis at 0.05 level of significance. The findings of the study show that there is a significant relationship between accessibility of AI tools and lecturers' productivity in public universities in Bayelsa State. It also shows that there is a significant relationship between the challenges of using AI tools and lecturers’ productivity in public universities in Bayelsa State. The study, therefore, concluded that improving the accessibility and usage of AI tools can significantly contribute to the advancement of higher institutions, equipping lecturers to meet the demands of a rapidly evolving academic and technological landscape in the 21st century. Based on the findings of the study, it was therefore recommended that University management should organize workshops, seminars, and training sessions to equip lecturers with the skills required to effectively utilize AI tools. Universities should collaborate with private sector and tech providers for AI support software. The government and university management should invest in upgrading digital infrastructure that will enhance research.