Noise Texture and some other textures in the latest Octane builds has Power parameter that is a slider now. It's a much better experience to control the effect of a textures with it. Currently Image Texture nodes has the different type of control which is a lot worse. It's not that precise. It jumps to fast between values with click-and-drag action. You can add Shift key modifier to the action to get slow down the change in values but it's unnecessary additional key action when the default is pretty much broken.
Please, update the Image Texture nodes to the same slider Power type of parameter control.