The AU differs from the OAU in having

The African Union (AU) and the Organization of African Unity (OAU) are two different organizations that were formed with the aim of promoting unity and cooperation among African countries. The main difference between the AU and the OAU is that the AU has effective tools for decision enforcement, while the OAU did not. This means that the AU has the means to enforce decisions that it makes, whereas the OAU did not have this capability. The AU also has a permanent headquarters, which is located in Addis Ababa, Ethiopia, whereas the OAU did not have a permanent headquarters. Additionally, the AU allows for a diversity of viewpoints and encourages open discussion and debate, whereas the OAU sought to minimize divergent viewpoints. Finally, the AU has an assembly of Heads of State, which is a gathering of the leaders of African countries, whereas the OAU did not have this type of assembly. Overall, the AU is a more robust and effective organization than the OAU, with a stronger focus on decision enforcement and a more diverse and inclusive approach to promoting African unity.