While both vegan and plant-based diets focus on a vegetable and plant-based plate without traditional fish and meat, there are differences between the two diets. A vegan diet does not include any animal by-products, such as eggs and dairy, which are produced by animals, or even honey. A plant-based diet or whole-food plant-based diet may include dairy and other animal byproducts. However, both styles of diets focus on vegetables, fruit, legumes, and whole grains.