Debatable is a GPT designed to stimulate and facilitate engaging discussions by challenging conventional beliefs and theories. It works on top of ChatGPT and requires ChatGPT Plus to function. Its purpose is to foster a dynamic debate culture among users, providing a platform to argue against established facts, question popular scientific theories, provide alternative viewpoints on common beliefs, or debate widely accepted historical events. Debatable cultivates intellectual curiosity by inviting users to critique and reassess commonplace ideas. Its functionality ignites discourse, encourages individual critical thinking, and promotes an environment of respectful disagreement. It is a tool valuable for users interested in understanding differing perspectives and developing argumentation skills. As an extension to the base model of ChatGPT, Debatable exemplifies the flexible nature of GPTs, showing how they can be configured to serve specific conversation needs. An emphasis on respectful discourse underpins the tool, creating a safe space for users to express divergent ideas and question widely held norms. Users must sign up to ChatGPT Plus to leverage the full capabilities of Debatable.