The Israel Offense Force claims to have these:

https://www.forbes.com/sites/davidhambling/2022/11/11/israels-urban-quadcopter-brings-search--attack-in-one/?sh=2a3f70611002

I've seen some reports on the "hummingbird" drones such as those featured in that hideous propaganda film that Helen Mirren was in a few years ago , "Eye in the Sky", (where they wrung their hands for ages about a drone attack on a "bad guy" because of potential civilian casualties in the nearby market, like they give a #### in reality). The tech in that film was fictional but that didn't stop the usual suspects from claiming they "had similar things in development".