User blog comment:AcobraL/Thoughts on Planty's Chika comparison video/@comment-25147000-20140914003233/@comment-53539-20140914084940

Chika won't do the same things 100% that Gumi does and the company has more or less confirmed that Chika is a much HQ vocal then Gumi without actually saying it.

Basically, in theory Chika should do what she does much better then anything that Gumi will do in any of her vocals.