Baikals are very profitable because they are rare unique and they use little power but that could be changing as they push up production .
http://www.idownloadblog.com/2017/12/22/samsung-baikal-bitcoin/

Eventually giant b will only be decently profitable on lbry pascal and one of the blake 256 algos, which ever coins are on that. Fingers crossed others dont bring out asics just for those.