Blender cycles and blender internal look the same and my materials are too shiny even on diffuse. I want my cycles object to turn whiter instead of being grey like the blender internal. Here is a screenshot of how they look; First is the cycles object that looks the same as the blender internal instead of turning whiter. Second is the material on diffuse.
In your screenshots only the OpenGL viewport "preview" shading is being used; to see what your materials actually look like when rendered with BI or cycles, switch from Solid shading to Rendered in 3D view > Header (or press ⇧ ShiftZ)
You can adjust the way a cycles material is rendered in solid view via the options in Materials > Settings: