In this contribution, I respond to articles published in a Topical Issue of Open Philosophy on Kant’s Transcendental Dialectic by Mario Caimi, Gabriele Gava, and Michael Lewin, who criticize some of the views I put forward in my book Kant on the Sources of Metaphysics: The Dialectic of Pure Reason. In particular, I discuss the “real use” of reason, the “regulative use” of principles and ideas of reason, and Kant’s conception of reason.