it is "like the B-2 but smaller"
and they named it the B-21.
Northrop Grumman won the contract, which to be honest, i find annoying because no one had even built a single practical test model yet.
about the only thing we do know is it will be using the same P&W F135 engines off the F-35.
the USAF is also looking to develop a new "penetrating counter Air" fighter with long range and stealth to escort the B-21's around as well (alongside the "sixth generation fighter" they want to replace the F-22 and F-35 by the late 2020's.. F-35 isn't even operable yet and they already are looking to replace it)
If Northrop is smart, they'll dust off the YF-23 blueprints, update the avionics and engines, and and be ready to submit that as the 'penetrating counter air" because the YF-23 was definitely long ranged and stealthy.