All together and In the same breath

All together adverb - Used of a group whose members acted or were acted upon collectively and when `all' and `together' can be separated by other words.

In the same breath and all together are semantically related. In some cases you can use "In the same breath" instead an adverb phrase "All together".

All together and in the same breath are semantically related. You can use "All together" instead an adverb phrase "In the same breath".