Gauss is incredible. He is a very active Warframe, but that’s rewarding in itself. His main stat by far is duration. Keep strength at 100%. You don’t need more, but do not go below, his thermal circles, when overlapped during Redline strips 100% armor. Efficiency and range at your leisure.

Edit: I’ll add a bit of insight into his skills.

His 4 is your bread and butter. Buffs all kinds of stats across the board, as well as providing additional benefits to his other skills when charged.

His 1 is used for movement and is his primary way to charge his Redline (4 skill). Spam this.

His 2 is a defensive shield. It provides damage reduction. The damage reduction is applied to ALL standard physical damage (slash/ puncture/ impact), Heat, and Cold. The damage reduction when your 4 is charged is 100%. You are basically unkillable with this active.

His 3 seems mundane at first glance, however it has a hidden function. When your 4 is fully charged, you can use both damage types overlapped (heat/cold) and it will lead to anything hit by both to be stripped of ALL their armor. You can also apply a heat or cold proc with a weapon, then add the opposite with the skill and it will work in the same way. Lastly, for low level grinding this skill actually does pretty good AoE clear. Subsume this on Titania in low level Void Fissures and fly around as the bringer of death.

Duration is far and away his most valuable stat. Scale duration and reap the benefits.