Earlier in Matthew 4:
5Then the devil took him to the holy city and had him stand on the highest point of the temple. 6“If you are the Son of God,” he said, “throw yourself down. For it is written:
“ ‘He will command his angels concerning you,
and they will lift you up in their hands,
so that you will not strike your foot against a stone.’ ”
After refusing to request the service of these angels, angels showed up without request (NASB):
Then the devil left Him; and behold, angels came and began to minister to Him.
Verb - Imperfect Indicative Active - 3rd Person Plural
Strong's 1247: From diakonos; to be an attendant, i.e. Wait upon (figuratively) teacher; technically, to act as a Christian deacon.
It is better to classify these angels by their function and not by their class since the Bible does not specify their class labels.
These were ministering or attending angels that stayed with Jesus for a while in the imperfect tense of time until this particular job was done. I don't think they were particularly powerful angels.