Coming in at 7500* lumens the Acebeam X60M is by far the brightest flashlight. Rated at 10,000 lumens but several sources and owners say its more like 7500 so lets go with that number for the moment.
It will set you back around $400 but if you are looking for a super bright LED flashlight then this is the one for you.
Brightest Compact Flashlight
If you are looking for something a little bit more compact then the Thrunite TN36UT is the brightest compact flashlight.
It gives off around 7300 lumens. The Thrunite runs at around $337
Some of the features of the Thrunite TN36UT