Interest groups differ from political parties in several ways.

See explanation

Explanation:

An Interest group is a group that comes together die to down agreed concern and try to influence the policy of the government in their favor.

On the other hand, political parties are the group of people who come together so that they can acquire power and exercise it.

While the political parties take part in the electoral process, the interest groups do not. In interest group, members share similar beliefs unlike the political parties that members may have different opinions.