They typically come with high damage or multi hitting techniques designed to pump as much damage onto the field as possible. Check out how to get operators here different costs per unitclass.

Friends Arknights Guide And Tips
Arknights unit tier list. You can search the below list to find a specific operator name or class. The newbie gacha offers a 6 operator it is reasonable to reroll for another 6 op. Use this arknights tier list to determine the best operators for your squad. The 6 operators are always the. Determine who to aim for and when to replace your lineup. No matter who makes an arknights tier list.
See how they rank against each other. Since every tier list needs a baseline with which to compare this tier list compares units at their full development their highest promotion stage and maximum operator and skill level legend. Find the best operators in each class. Although all units each have their own skills that makes them unique they all fall into classes that determines their general play style. Furthermore you can target a specific 6 operator. This top tier list has been categorized per class and role.
Arknights guards tier list best guard characters guards are described as the main melee dps units. Roll for a specific or two 6s. The arknights tier list means nothing for them. Tier lists for arknights are often considered to be difficult to create. Find out all you need to know about the best operator character tier list in arknights. All they need to do is reroll for their favorite.
Basically classes determine their in game roles so it is best to get a diverse team of multiple classes.